There are 117 minerals that start with the letter W. From Wad to Wyomingite. Minerals are naturally occurring, inorganic solids with a defined chemical composition and a crystalline structure. They are the building blocks of rocks and are classified based on their chemical properties, crystal structure, and texture. Minerals form through a variety of geological processes, including crystallization from molten rock, precipitation from solutions, and metamorphism under high pressure and temperature. They are essential not only for geological processes but also for many industrial applications and are critical for life, serving as nutrients in biological systems.
An intriguing fact about minerals is that some larval insects use mineral particles from the environment to enhance their camouflage, adapting to their surroundings for protection against predators. This innovative use of minerals demonstrates the complex interactions between organisms and their natural habitats.
Here’s what each of the columns in the table means:
Column Name: This column indicates the specific chemical elements or compounds that make up the mineral, defining its identity and properties.
Mohs hardness: This column provides a numerical scale from 1 to 10 that ranks the hardness of the mineral based on its ability to scratch or be scratched by other substances.
Common uses: This column outlines the various applications or industries where the mineral is utilized, highlighting its practical importance in everyday life and technology.
Description: This column includes a brief overview of the mineral’s appearance, characteristics, and unique features, providing essential information for identification and understanding its role in geology and industry.
Minerals That Start With W
| Minerals | chemical composition | Mohs hardness | common uses |
|---|---|---|---|
| Wad | Manganese and iron oxides | 1-10(1-4) | Used as a pigment, refractory material, and in the production of dry-cell batteries. |
| Wadeite | K2ZrSi3O9 | 5.0-6.0 | None |
| Wadsleyite | (Mg,Fe)2SiO4 | 7.5-8.0(7.75) | Used in geologic research |
| Wagnerite | Magnesium phosphate | 5-5.5 | Used in the manufacturing of fertilizers and as a refractory material. |
| Wairakite | CaAl2Si4O12�2H2O | 5.0-6.0(5.5) | Construction, abrasives |
| Wairauite | CoFe | 5.5-6.0(5.5) | Not commonly used |
| Wakabayashilite | (Zn,Cd)2(VO4)(Cl,Br) | 3-4(3.5) | Collector’s mineral |
| Wakefieldite | (Ce,La,Nd)VO4 | 4.0-5.0 | None |
| Wakefieldite-(Ce) | CeVO4 | 4.5-5.0(4.75) | none |
| Wakita | Mg2Mn5+Sb5+O8 | 5.5-6.0(5.75) | none |
| Waldheimia | Ca(UO2)2(VO4)2�6-8H2O | 2.0-3.0(2.5) | Not commonly used |
| Walentaite | Barium titanium vanadium oxide | 5.5-6 | Used in the production of ceramic capacitors and dielectric materials. |
| Walfordite | Cu4Bi5Cl13�21H2O | 2.5-3.0(2.75) | none |
| Walkerite | Ca(UO2)2(VO4)2�6-8H2O | 2.0-3.0(2.5) | Radioactive waste storage |
| Walpurgite | Bi(UO2)4(AsO4)2(OH)4�4H2O | 3.0-4.0(3.5) | Not commonly used |
| Walstromite | CaBa2(VO4)2 | 4-5(4.5) | mineral specimens |
| Walthierite | Cu3+2Al3O6(VO4)(OH) | 4.0-5.0(4.5) | none |
| Wangdrite | NaSc(CO3)2 | 3.0-4.0 | None |
| Wangerite | (Mg,Ni,Fe2+)2SiO4 | 5.5-6.0(5.75) | none |
| Wapplerite | (Ca,Mg,Fe)AsO4�2H2O | 3.0-4.0(3.5) | Mineral collector’s item |
| Wardite | Sodium aluminum phosphate hydroxide | 5-5.5 | Used in the production of fertilizers and as a source of phosphorus. |
| Wardsmithite | CaMgVOx(OH) | 3-4(3.5) | mineral specimens |
| Wareite | Mg3(BO3)2 | 7.0-8.0(7.5) | Abrasives, ceramics |
| Warranite | (Mg,Fe)2V2O7 | 5-6(5.5) | Rare mineral specimen |
| Warrenite | CaSiO3 | 5.0-6.0(5.5) | none |
| Warrensohnite | Mn2+Mn3+2O4 | 5.5-6(5.75) | mineral specimens |
| Warwickite | Magnesium iron boron oxide | 6-6.5 | Used in the production of ceramic materials and as a refractory. |
| Washingtonite | Mn2+TiO4 | 5.0-6.0(5.5) | none |
| Wasserblauite | (Ba,Sr)SO4�H2O | 3.5-4.0(3.75) | none |
| Watanabite | Cu4+xFe4-x(AsO4)4(OH)4�4-5H2O | 3-4(3.5) | Mineral specimen |
| Wateringite | Pb8(UO2)2(VO4)2(OH)6�4H2O | 2-3(2.5) | Rare mineral specimen |
| Waterite | Calcium magnesium carbonate hydroxide | 2-3 | Used as a source of magnesium and in the production of cement. |
| Watkinsonite | Cu2+6(UO2)2(VO4)2(OH)4 � 8-10H2O | 2-3(2.5) | mineral specimens |
| Watsonite | Pb3Cu2(AsO4)2Cl2 | 3.5-4.0(3.75) | none |
| Wauschakite | Mg2(VO4)(OH) | 6.0-7.0(6.5) | Mineral collector’s item |
| Waveite | (Mg,Fe)2+3(VO4)2�4H2O | 3.0-4.0(3.5) | Mineral collector’s item |
| Wavellite | Aluminum phosphate hydroxide | 3.5-4 | Used in the production of fertilizers and as a source of phosphorus. |
| Wavite | Pb2Al(VO4)(OH) | 4.0-5.0(4.5) | none |
| Waylandite | Calcium barium silicate hydroxide | 5-5.5 | Used in the production of ceramic materials and as a refractory. |
| Wayne | FeTiO3 | 5.0-6.0(5.5) | none |
| Wayneburnhamite | Cu3AsO4(OH)3 | 4.0-5.0(4.5) | Not commonly used |
| Weberite | Na2MgAlF7 | 5-6(5.5) | Mineral specimen |
| Websterite | Orthopyroxene and clinopyroxene | 6-6.5 | Used as a source of magnesium and in the production of ceramic materials. |
| Wegscheiderite | Na4CO3(SO4) | 2.5-3.0(2.75) | none |
| Wehrleite | Ca(UO2)2(VO4)2�6-8H2O | 2.0-3.0(2.5) | Radioactive waste storage |
| Wehrlite | (Mg,Fe2+)3Al2(SiO4)3 | 6.0-7.0(6.5) | none |
| Weilerite | Nickel antimony sulfide | 5-5.5 | Used as a source of nickel and in the production of alloys. |
| Weinebeneite | CaMg(BO3)(OH) | 4.0-5.0(4.5) | Mineral collector’s item |
| Weinschenkite | Zinc phosphate hydroxide | 3-3.5 | Used in the production of pigments and as a source of zinc. |
| Weirenite | Calcium silicate hydroxide | 5-5.5 | Used in the production of ceramic materials and as a refractory. |
| Weishanite | PbS | 2.5-3.0(2.75) | none |
| Weizseckerite | (Mg,Fe2+)2Si2O6(OH) | 5.0-6.0(5.5) | none |
| Wellsite | CaBa2(Al2Si2)O8(OH)2 | 5.0-6.0 | None |
| Weloganite | Na2Ca(UO2)2(VO4)2�6-8H2O | 3.0-4.0(3.5) | Not commonly used |
| Wendwilsonite | Zn(UO2)2(VO4)2�8H2O | 2.0-3.0(2.5) | Not commonly used |
| Wengite | NiAl2O4 | 7.5-8(7.75) | refractory materials |
| Wenkite | Barium calcium silicate hydroxide | 5-5.5 | Used in the production of ceramic materials and as a refractory. |
| Werneri | (Na,Ca)2Y2(CO3)3F2 | 4-5(4.5) | Mineral specimen |
| Wernerite | Calcium sodium aluminum silicate chloride hydroxide | 5-6 | Used in the production of ceramic materials and as a source of calcium and sodium. |
| Wesselsite | PbMoO4 | 3.0-4.0(3.5) | Not commonly used |
| Westerveldite | FePAs | 4.0-5.0(4.5) | none |
| Westgatite | (U,Cu)3(V,As)O8 | 3-4(3.5) | Rare mineral specimen |
| Wexfordite | (Fe,Mn)2(VO4)(OH) | 4.5-5.0(4.75) | none |
| Whatlingite | Cu3(AsO4)(OH)3 | 4-5(4.5) | Mineral specimen |
| Wheatleyite | Na2Cu(UO2)2(VO4)2�6-8H2O | 3.0-4.0(3.5) | Not commonly used |
| Whetlerite | Cu2+4(UO2)2(VO4)2(OH)4�6-8H2O | 3.5-4.0 | None |
| Whewellite | Calcium oxalate monohydrate | 3-3.5 | Used in the production of ceramics and as a source of calcium. |
| Whitecapsite | KCa3Ti4O10(OH)2 | 5.0-6.0(5.5) | none |
| Whiteclopite | PbClF | 3.0-4.0 | None |
| Whitfieldite | Cu3V2O8�5H2O | 2.5-3.0(2.75) | none |
| Whitlockite | Calcium magnesium phosphate | 5 | Used in the production of fertilizers and as a source of phosphorus. |
| Whitmoreite | Iron magnesium phosphate hydroxide | 4-4.5 | Used in the production of fertilizers and as a source of phosphorus. |
| Whodginsonite | (Mg,Fe)2(VO4)(OH) | 4-5(4.5) | Rare mineral specimen |
| Wickmanite | Manganese nickel silicate | 5-5.5 | Used as a source of manganese and nickel in the production of alloys. |
| Widgiemoolthalite | CaCu(VO4)(OH) | 3-4(3.5) | Rare mineral specimen |
| Wiemannite | Manganese iron oxide hydroxide | 4-4.5 | Used as a pigment and in the production of dry-cell batteries. |
| Wigglesworthite | Cu2+6(UO2)2(VO4)2(OH)6�8H2O | 3.0-4.0 | None |
| Wightmanite | Mg3(VO4)2 � 6H2O | 3-4(3.5) | mineral specimens |
| Wiikite | Calcium barium silicate hydroxide | 5-5.5 | Used in the production of ceramic materials and as a refractory. |
| Wilburrite | Ca2(UO2)3(VO4)2�8-10H2O | 3.0-4.0(3.5) | none |
| Wilcoxite | Magnesium iron silicate hydroxide | 2-3 | Used in the production of ceramic materials and as a source of magnesium. |
| Wildspitzite | Cu2+4(UO2)2(VO4)2(OH)4�6-8H2O | 2.5-3.0(2.5) | Not commonly used |
| Wilekeite | (U,Th)SiO4�1-2H2O | 5.0-6.0(5.5) | Not commonly used |
| Wilkeite | Calcium magnesium iron silicate phosphate | 5-5.5 | Used in the production of ceramic materials and as a source of phosphorus. |
| Wilkmanite | NiSe | 4.5-5.0 | None |
| Willardite | NaCaAl4(PO4)3(OH)5�3-5H2O | 4.0-5.0(4.5) | Not commonly used |
| Willemite | Zinc silicate | 5.5-6.5 | Used in the production of ceramics, glass, and as a source of zinc. |
| Willemseite | Ni3(Si,Al)2(OH)4 | 2-3(2.5) | Rare mineral specimen |
| Willhendersonite | Barium calcium silicate hydroxide | 5-5.5 | Used in the production of ceramic materials and as a refractory. |
| Williamsita | NiMoO4 | 4-5(4.5) | Mineral specimen |
| Williamsite | Ni3(SiO4)(OH)4 | 3.5-4.0(3.5) | Not commonly used |
| Willyamite | Nickel cobalt sulfide | 5-5.5 | Used as a source of nickel and cobalt in the production of alloys. |
| Wilsonite | PbUO2VO4(OH) | 3.0-4.0(3.5) | Not commonly used |
| Wiluite | Ca3Al2(SiO4)3(OH) | 6.5-7(6.75) | gems, abrasives |
| Winchite | NaCa2(Mg4Al)(Si8O22)(OH)2 | 6-6.5(6.25) | mineral specimens |
| Winstanleyite | Iron titanium oxide | 5-5.5 | Used in the production of ceramic materials and as a pigment. |
| Wischerite | Pb2(UO2)2(VO4)2�6-8H2O | 3.0-4.0(3.5) | none |
| Wiserite | Mg3(VO4)2 | 4.5-5.5 | None |
| Witherite | Barium carbonate | 3-3.5 | Used in the production of glass, ceramics, and as a source of barium. |
| Witkopite | Ca2Fe2+3(PO4)3(OH) | 5.0-6.0(5.5) | none |
| Wittite | Copper lead antimony sulfide | 2.5-3 | Used as a source of copper, lead, and antimony in the production of alloys. |
| Wodehousite | Na(UO2)(VO4)�3H2O | 3.5-4.0(3.75) | none |
| Wohlerite | NaCaZrSi2O7(O,OH,F) | 5.0-6.0 | None |
| Wolfeite | Iron manganese phosphate | 5-5.5 | Used in the production of fertilizers and as a source of phosphorus. |
| Wolframite | (Fe,Mn)WO4 | 5.0-5.5(5.25) | tungsten production |
| Wollastonite | Calcium silicate | 4.5-5 | Used in the production of ceramics, glass, and as a filler material. |
| Wolsendorfite | Pb4O3Cl2 | 3.0-4.0(3.5) | none |
| Wonesite | Nickel cobalt silicate | 5-5.5 | Used as a source of nickel and cobalt in the production of alloys. |
| Woodhouseite | Calcium aluminum sulfate phosphate hydroxide | 4-4.5 | Used in the production of fertilizers and as a source of aluminum and phosphorus. |
| Woodruffite | Zn,Mn2+)Mn4+O7 � 2-3H2O | 4-5(4.5) | mineral specimens |
| Woodwardite | (Cu,Zn)6Al2(SO4)(OH)16�4-5H2O | 2.0-3.0(2.5) | none |
| Wooldridgeite | Copper iron cobalt sulfide | 3.5-4 | Used as a source of copper, iron, and cobalt in the production of alloys. |
| Wulfenite | Lead molybdate | 3-3.5 | Used as a source of molybdenum and lead in the production of pigments and glass. |
| Wulfingite | ZnO | 4-5(4.5) | mineral specimens |
| Wurtzite | Zinc sulfide | 3.5-4 | Used in the production of photovoltaic cells and as a source of zinc. |
| Wyartite | Calcium uranium carbonate hydroxide | 4-4.5 | Used as a source of uranium in the production of nuclear fuel. |
| Wyomingite | Potassium magnesium iron silicate | 6-6.5 | Used in the production of ceramic materials and as a source of potassium, magnesium, and iron. |
Descriptions
Wad
A soft, dark-brown to black mineral composed of manganese and iron oxides. It is often found in the oxidized zones of manganese deposits.
Wadeite
A rare zirconium silicate mineral found in pegmatites and metamorphic rocks. It forms yellow to brown prismatic crystals and is a source of zirconium.
Wadsleyite
High-pressure polymorph of olivine, found in the Earth’s transition zone between the upper and lower mantle.
Wagnerite
A rare phosphate mineral with a pale green to yellow color. It forms in high-temperature metamorphic rocks and is associated with other phosphate minerals.
Wairakite
Hydrous calcium aluminosilicate zeolite mineral, typically found in hydrothermally altered volcanic or sedimentary rocks.
Wairauite
A rare iron-cobalt alloy mineral found in serpentinized ultramafic rocks, formed by the reduction of cobalt-bearing silicates.
Wakabayashilite
A rare zinc-cadmium vanadate halide mineral, typically found in hydrothermal ore deposits and is prized by mineral collectors for its unusual composition and bright yellow-orange color.
Wakefieldite
A rare earth vanadate mineral that forms yellow to brown tetragonal crystals. It is found in pegmatites and carbonatites.
Wakefieldite-(Ce)
A rare cerium vanadate mineral found in granitic pegmatites.
Wakita
A rare antimonate mineral that forms hexagonal crystals.
Waldheimia
A rare uranium vanadate mineral that forms yellow to green tabular to prismatic crystals.
Walentaite
A rare barium titanium vanadium oxide mineral with a yellow-green to green color. It forms in highly oxidized granite pegmatites and hydrothermal veins.
Walfordite
A rare hydrous copper-bismuth chloride mineral occurring as blue-green to blue crystals.
Walkerite
Uranyl vanadate mineral, typically found in oxidized uranium deposits or as an alteration product of other uranium minerals.
Walpurgite
A rare uranium arsenic bismuth hydroxide mineral that forms yellow to green prismatic crystals.
Walstromite
A rare barium-calcium vanadate mineral found in oxidized copper deposits.
Walthierite
A rare copper aluminum vanadate hydroxide mineral found in oxidized copper deposits.
Wangdrite
A rare sodium scandium carbonate mineral that forms colorless to white prismatic crystals. It is found in carbonatites and alkaline igneous rocks.
Wangerite
A rare magnesium-nickel-iron silicate mineral that forms green prismatic crystals.
Wapplerite
Hydrous calcium-magnesium-iron arsenate mineral, typically found in oxidized arsenic-bearing mineral deposits.
Wardite
A rare phosphate mineral with a white to pale green color. It forms in oxidized zones of phosphate deposits and is associated with other aluminum phosphate minerals.
Wardsmithite
A rare calcium-magnesium vanadate hydroxide mineral that forms green to yellow-green prismatic crystals.
Wareite
Magnesium borate mineral, often found in evaporite deposits or metamorphic rocks.
Warranite
A magnesium-iron vanadate mineral that forms as bronze-colored to black tabular crystals or massive aggregates. It is a relatively uncommon mineral found in vanadium-enriched geological environments.
Warrenite
A rare calcium silicate mineral that forms colorless to white tabular crystals.
Warrensohnite
A manganese oxide mineral that forms dark brown to black octahedral crystals.
Warwickite
A rare boron-bearing mineral with a brown to black color. It forms in metamorphic rocks and is associated with other boron-containing minerals.
Washingtonite
A rare manganese titanium oxide mineral that forms black prismatic crystals.
Wasserblauite
A rare hydrous barium-strontium sulfate mineral that forms tabular blue-green crystals.
Watanabite
A rare copper-iron arsenic oxide hydroxide mineral that typically forms blue to green crystalline masses or crusts.
Wateringite
A lead uranium vanadate hydroxide hydrate mineral that typically forms as bright green prismatic crystals or crusts in uranium-bearing ore deposits. It is a rare and highly collectible mineral.
Waterite
A rare carbonate mineral with a white to pale green color. It forms in serpentinized ultramafic rocks and is associated with other magnesium-rich minerals.
Watkinsonite
A rare copper uranium vanadate hydroxide hydrate mineral that forms bright yellow to greenish-yellow crystals.
Watsonite
A rare lead copper arsenate chloride mineral that forms green to blue-green crystals.
Wauschakite
Rare hydrous magnesium vanadate mineral, typically found in vanadium-rich mineral deposits.
Waveite
Hydrous magnesium-iron vanadate mineral, often found in oxidized vanadium deposits.
Wavellite
A rare phosphate mineral with a white, green, or blue color. It forms in the oxidized zones of phosphate deposits and is associated with other aluminum phosphate minerals.
Wavite
A rare lead aluminum vanadate hydroxide mineral found in oxidized lead deposits.
Waylandite
A rare silicate mineral with a pale green to white color. It forms in hydrothermal veins and is associated with other calcium-barium silicate minerals.
Wayne
A rare iron titanium oxide mineral that forms hexagonal crystals.
Wayneburnhamite
A rare copper arsenate hydroxide mineral that forms blue to green crystalline masses.
Weberite
A rare fluoride mineral that typically forms colorless to white cubic or octahedral crystals.
Websterite
A rare ultramafic rock composed primarily of orthopyroxene and clinopyroxene minerals. It forms in the upper mantle and lower crust of the Earth’s interior.
Wegscheiderite
A rare sodium carbonate sulfate mineral that forms white to colorless prismatic crystals.
Wehrleite
Uranyl vanadate mineral similar to walkerite, found in oxidized uranium deposits.
Wehrlite
A rare magnesium-iron aluminum silicate mineral that forms green to brown prismatic crystals.
Weilerite
A rare nickel antimony sulfide mineral with a silver-gray to black color. It forms in hydrothermal veins and is associated with other nickel-bearing minerals.
Weinebeneite
Rare calcium-magnesium borate hydroxide mineral, found in evaporite or metamorphic deposits.
Weinschenkite
A rare phosphate mineral with a pale green to white color. It forms in the oxidized zones of zinc deposits and is associated with other zinc-bearing minerals.
Weirenite
A rare silicate mineral with a white to pale green color. It forms in metamorphosed limestone deposits and is associated with other calcium silicate minerals.
Weishanite
A rare lead sulfide mineral that forms silver-gray cubic crystals.
Weizseckerite
A rare magnesium-iron silicate hydroxide mineral that forms prismatic crystals.
Wellsite
A barium calcium aluminum silicate hydroxide mineral that forms white to colorless prismatic crystals. It is found in pegmatites and hydrothermal veins.
Weloganite
A rare sodium and calcium uranium vanadate mineral that forms pale yellow to green prismatic crystals.
Wendwilsonite
A rare zinc uranium vanadate mineral that forms yellow to green prismatic crystals.
Wengite
A nickel aluminum oxide mineral that forms dark green to black octahedral crystals.
Wenkite
A rare silicate mineral with a white to pale green color. It forms in hydrothermal veins and is associated with other barium-calcium silicate minerals.
Werneri
A rare carbonate-fluoride mineral that typically forms colorless to white prismatic crystals or compact masses.
Wernerite
A rare silicate mineral with a white, gray, or green color. It forms in high-temperature metamorphic rocks and is associated with other calcium-sodium silicate minerals.
Wesselsite
A rare lead molybdate mineral that forms yellow to orange prismatic crystals.
Westerveldite
A rare iron arsenic mineral that forms steel-gray octahedral crystals.
Westgatite
A uranium-copper vanadate-arsenate mineral that typically forms as dark green to black prismatic or tabular crystals. It is an uncommon and collectible mineral found in uranium-bearing deposits.
Wexfordite
A rare iron-manganese vanadate hydroxide mineral that forms red to brown crystals.
Whatlingite
A rare copper arsenic oxide hydroxide mineral that forms green to blue-green crystalline masses or coatings.
Wheatleyite
A rare sodium and copper uranium vanadate mineral that forms bright green prismatic crystals.
Whetlerite
A rare copper uranium vanadate hydroxide mineral that forms green to blue prismatic crystals. It is found in uranium-bearing deposits.
Whewellite
A rare oxalate mineral with a white to pale yellow color. It forms in the oxidized zones of ore deposits and is associated with other calcium-bearing minerals.
Whitecapsite
A rare potassium calcium titanium oxide hydroxide mineral that forms white to pale green crystals.
Whiteclopite
A rare lead chloride fluoride mineral that forms colorless to white cubic crystals. It is found in fumarolic deposits and hydrothermal veins.
Whitfieldite
A rare hydrous copper vanadate mineral that forms blue to green prismatic crystals.
Whitlockite
A rare phosphate mineral with a white to pale yellow color. It forms in the oxidized zones of phosphate deposits and is associated with other calcium-magnesium phosphate minerals.
Whitmoreite
A rare phosphate mineral with a green to blue-green color. It forms in the oxidized zones of iron and magnesium deposits and is associated with other iron-magnesium phosphate minerals.
Whodginsonite
A magnesium-iron vanadate hydroxide mineral that forms as green to brown prismatic or needle-like crystals. It is a relatively rare mineral found in vanadium-enriched geological environments.
Wickmanite
A rare silicate mineral with a green to brown color. It forms in serpentinized ultramafic rocks and is associated with other manganese-nickel minerals.
Widgiemoolthalite
A calcium-copper vanadate hydroxide mineral that typically forms as bright green to blue-green prismatic or acicular crystals. It is an uncommon and collectible mineral found in oxidized copper-vanadium deposits.
Wiemannite
A rare oxide mineral with a black to dark brown color. It forms in the oxidized zones of manganese deposits and is associated with other manganese-iron oxide minerals.
Wigglesworthite
A rare copper uranium vanadate hydroxide hydrate mineral that forms green to blue prismatic crystals. It is found in uranium-bearing deposits.
Wightmanite
A rare magnesium vanadate hexahydrate mineral that forms pale yellow to greenish-yellow prismatic crystals.
Wiikite
A rare silicate mineral with a white to pale green color. It forms in hydrothermal veins and is associated with other calcium-barium silicate minerals.
Wilburrite
A rare hydrous calcium uranyl vanadate mineral that forms yellow to green crystals.
Wilcoxite
A rare silicate mineral with a green to yellow-green color. It forms in metamorphosed ultramafic rocks and is associated with other magnesium-iron silicate minerals.
Wildspitzite
A rare copper uranium vanadate hydroxide mineral that forms bright green prismatic crystals.
Wilekeite
A rare uranium and thorium silicate mineral that forms yellow to brown prismatic crystals.
Wilkeite
A rare silicate-phosphate mineral with a green to brown color. It forms in high-temperature metamorphic rocks and is associated with other calcium-magnesium-iron silicate minerals.
Wilkmanite
A rare nickel selenide mineral that forms gray to black metallic crystals. It is found in hydrothermal vein deposits and metamorphic rocks.
Willardite
A rare sodium, calcium and aluminum phosphate hydroxide mineral that forms white to pale green prismatic crystals.
Willemite
A rare silicate mineral with a green to yellow-green color. It forms in the oxidized zones of zinc deposits and is associated with other zinc-bearing minerals.
Willemseite
A nickel silicate hydroxide mineral that forms as green to yellowish-green platy or scaly crystals. It is a relatively rare nickel-bearing mineral found in serpentinized ultramafic rocks.
Willhendersonite
A rare silicate mineral with a white to pale green color. It forms in hydrothermal veins and is associated with other barium-calcium silicate minerals.
Williamsita
A rare nickel molybdate mineral that typically forms emerald-green crystalline masses or crusts.
Williamsite
A rare nickel silicate hydroxide mineral that forms dark green massive or fibrous aggregates.
Willyamite
A rare sulfide mineral with a silver-gray to black color. It forms in hydrothermal veins and is associated with other nickel-cobalt minerals.
Wilsonite
A rare lead uranium vanadate hydroxide mineral that forms yellow to green prismatic crystals.
Wiluite
A calcium aluminum silicate hydroxide mineral that forms pale yellow to green prismatic crystals.
Winchite
A sodium-calcium magnesium-aluminum silicate hydroxide mineral that forms blue to bluish-green prismatic crystals.
Winstanleyite
A rare oxide mineral with a black to dark brown color. It forms in metamorphosed iron-titanium deposits and is associated with other iron-titanium oxides.
Wischerite
A rare hydrous lead uranyl vanadate mineral that forms yellow to green crystals.
Wiserite
A rare magnesium vanadate mineral that forms pale green to white prismatic crystals. It is found in vanadium-bearing deposits.
Witherite
A rare carbonate mineral with a white to pale yellow color. It forms in hydrothermal veins and is associated with other barium-bearing minerals.
Witkopite
A rare calcium iron phosphate hydroxide mineral that forms brown to yellow-brown crystals.
Wittite
A rare sulfide mineral with a gray to black color. It forms in hydrothermal veins and is associated with other copper-lead-antimony minerals.
Wodehousite
A rare hydrous sodium uranyl vanadate mineral that forms yellow to green prismatic crystals.
Wohlerite
A rare sodium calcium zirconium silicate mineral that forms yellow to brown prismatic crystals. It is found in alkaline igneous rocks and pegmatites.
Wolfeite
A rare phosphate mineral with a green to brown color. It forms in the oxidized zones of iron and manganese deposits and is associated with other iron-manganese phosphate minerals.
Wolframite
An iron-manganese tungstate mineral that forms dark brown to black prismatic crystals.
Wollastonite
A rare silicate mineral with a white to pale gray color. It forms in high-temperature metamorphic rocks and is associated with other calcium-bearing minerals.
Wolsendorfite
A rare lead chloride oxide mineral that forms yellow to yellow-green crystals.
Wonesite
A rare silicate mineral with a green to blue-green color. It forms in serpentinized ultramafic rocks and is associated with other nickel-cobalt silicate minerals.
Woodhouseite
A rare sulfate-phosphate mineral with a white to pale yellow color. It forms in the oxidized zones of aluminum and phosphate deposits and is associated with other calcium-aluminum sulfate-phosphate minerals.
Woodruffite
A rare zinc-manganese oxide hydroxide mineral that forms dark brown to black prismatic crystals.
Woodwardite
A rare hydrous copper-zinc aluminum sulfate hydroxide mineral that forms blue-green crusts and nodules.
Wooldridgeite
A rare sulfide mineral with a gray to black color. It forms in hydrothermal veins and is associated with other copper-iron-cobalt minerals.
Wulfenite
A rare molybdate mineral with a yellow, orange, or red color. It forms in the oxidized zones of lead deposits and is associated with other lead-bearing minerals.
Wulfingite
A rare zinc oxide mineral that forms white to pale yellow prismatic crystals.
Wurtzite
A rare sulfide mineral with a white, yellow, or brown color. It forms in hydrothermal veins and is associated with other zinc-bearing minerals.
Wyartite
A rare uranium-bearing carbonate mineral with a yellow to green color. It forms in the oxidized zones of uranium deposits and is associated with other uranium-bearing minerals.
Wyomingite
A rare silicate mineral with a brown to black color. It forms in alkaline igneous rocks and is associated with other potassium-magnesium-iron silicate minerals.
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