There are 101 minerals that start with the letter H. From Hagemannite to Hyperalite. 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 H
| Minerals | chemical composition | Mohs hardness | common uses |
|---|---|---|---|
| Hagemannite | (Fe3+,Al)2O3�H2O | 3-5(4.0) | collector mineral |
| Haggite | Na6Ca3Mg(SO4)4(OH)6�6H2O | 2-3(2.5) | None |
| Hakite | (Ca,Mg)CO3 | 3-4(3.5) | None |
| Halbardiite | Cu6(AsO4)2(OH)4�2H2O | 2-3(2.5) | Mineral collector’s item |
| Halite | Sodium chloride (NaCl) | 2-2.5(2.0) | Salt, food preservative, de-icing |
| Hallerite | Fe3+O(OH) | 5-5.5(5.0) | Pigment, abrasive |
| Hallertauite | (NH4,K)Fe(SO4)2�6H2O | 2.5-3(2.75) | None |
| Halloysite | Al2Si2O5(OH)4 | 1.0-2.0(1.5) | ceramics, paper, cosmetics |
| Halovicite | Pb2Cl(OH)3 | 3-4(3.5) | None |
| Hambergite | Be2(BO3)OH | 7-8(7.5) | Gemstone |
| Hamiltonite | (Ca,Na)Al2Si2O8�2-3H2O | 5.0-6.0(5.5) | collector mineral |
| Hamlinite | (Ca,Sr)Al2Si2O8�2H2O | 5-6(5.5) | Gemstone |
| Hanksite | Na22K(SO4)9(CO3)2Cl | 3.5-4(3.75) | Mineral specimen |
| Hansblockite | Cu2+(UO2)2(VO4)2�6-8H2O | 2-3(2.5) | Mineral collector’s item |
| Hansesmarkite | Ca(UO2)2(VO4)2�6-8H2O | 3-4(3.5) | None |
| Hardystonite | Ca2ZnSi2O7 | 5.5-6.0(5.8) | collector mineral |
| Harkerite | Ca2Mg5(SiO4)4 | 5.5-6.0(5.75) | mineral specimen |
| Harmotome | BaAl2Si2O8�4H2O | 4-5(4.5) | Mineral specimen |
| Harrisite | (Mg,Fe)2SiO4 | 5.0-6.0(5.5) | collector mineral |
| Hartite | C20H34 | 1.0-2.0(1.5) | collector mineral |
| Hastingsite | NaCa2(Mg,Fe2+)4Al(Si6Al2)O22(OH)2 | 6-7(6.5) | Mineral specimen |
| Hatchettite | C20H42 | 1-2(1.5) | None |
| Hauerite | MnS2 | 3.5-4.0(3.8) | collector mineral |
| Hausmannite | Mn3O4 | 5.5-6.5(6.0) | Ore of manganese, pigment |
| Hauyne | (Na,Ca)4-8Al6Si6O24(SO4,S,Cl)1-2 | 5.0-6.0(5.5) | mineral specimen |
| Hawleyite | CdS | 2.5-3(2.75) | Mineral specimen |
| Haycockite | Cu4Fe5S8 | 3.5-4.0(3.75) | mineral specimen |
| Haydeite | Mg2SiO4(OH)2 | 5.0-6.0(5.5) | collector mineral |
| Haydenite | (Ca,Na)Al2Si2O8�2H2O | 5-6(5.5) | None |
| Hayesine | Ca[B(OH)4]2�H2O | 2-3(2.5) | None |
| Haynesite | UO2(MoO4)2�6-8H2O | 2-2.5(2.25) | Mineral specimen |
| Hazelwoodite | Ni3S2 | 5-5.5(5.25) | Mineral specimen |
| Heavisite | (Mg,Fe)2(SiO4) | 5.0-6.0(5.5) | mineral specimen |
| Heazlewoodite | Ni3S2 | 5-5.5(5.25) | Mineral specimen |
| Hebronite | Cu2(CO3)(OH)2 | 3.5-4(3.75) | Pigment, mineral specimen |
| Hectorite | Na0.3(Mg,Li)3Si4O10(OH)2 | 1-2(1.5) | Absorbent, Ceramics |
| Hedenbergite | CaFeSi2O6 | 5.5-6(5.75) | Mineral specimen |
| Hedyphane | Ca2Pb(AsO4)2Cl | 3.5-4(3.75) | Mineral specimen |
| Heidornite | (Li,Na)Fe2+3(PO4)2(OH) | 5-5.5(5.25) | Mineral specimen |
| Heinrichite | (UO2)5(AsO4)2(OH)4�4H2O | 2-3(2.5) | Mineral specimen |
| Hellandite | Ca(Y,REE)Al(BO3)O(OH) | 5-6(5.5) | Mineral specimen |
| Hellyerite | NiCO3�6H2O | 3.5-4(3.75) | None |
| Helvite | Mn4(Be,Fe2+)3(SiO4)3S | 6-7(6.5) | Mineral specimen |
| Hematite | Fe2O3 | 5.5-6.5(6.0) | Pigment, iron ore, gemstone |
| Hemimorphite | Zn4Si2O7(OH)2�H2O | 5-5.5(5.25) | Ore of zinc, gemstone |
| Hendricksite | KMg3(AlSi3)O10(OH)2 | 2-2.5(2.25) | Mineral specimen |
| Henrietta | Cu4(AsO4)2(OH)4 | 3-4(3.5) | Mineral collector’s item |
| Henritermierite | Cu4(AsO4)2(OH)4 | 3.5-4(3.75) | Mineral specimen |
| Henryite | Cu3AsS4 | 3-4(3.5) | None |
| Hentschelite | CuFe2O4 | 5.5-6(5.75) | Mineral specimen |
| Hercynite | FeAl2O4 | 7.5-8.0(7.8) | refractory, abrasive |
| Herderite | CaBe(PO4)(F,OH) | 5-5.5(5.25) | Gemstone, mineral specimen |
| Hermannjahnite | CuMn(AsO4)(OH) | 4.5-5(4.75) | Mineral specimen |
| Herschelite | NaCa2Al5Si13O36�15H2O | 3.5-4.0(3.8) | collector mineral |
| Herzenbergite | SnS | 2-3(2.5) | Mineral specimen |
| Hessite | Ag2Te | 2.5-3(2.75) | None |
| Heterogenite | CoO(OH) | 5.5-6(5.75) | Ore of cobalt |
| Heteromorphite | Pb5(AsO4)3Cl | 3.5-4(3.75) | Mineral specimen |
| Heterosite | FePO4 | 5-6(5.5) | None |
| Heulandite | (Ca,Na)2-3Al3(Al,Si)2Si13O36�12H2O | 3.5-4(3.75) | Adsorbent, zeolite |
| Hexahydrite | MgSO4�6H2O | 2-2.5(2.25) | Chemical, desiccant |
| Hexatestibiotantalite | (Sb,Ta)4O6 | 6-7(6.5) | None |
| Heyrovskyite | Pb18(TeO3)O19Cl2 | 3-3.5(3.25) | Mineral specimen |
| Hibonite | CaAl12O19 | 8-9(8.5) | Ceramic, Refractory |
| Hidalgoite | PbAl3(AsO4)(OH)6 | 3.5-4(3.75) | Mineral specimen |
| Hilgardite | Ca2B5O9Cl | 3.5-4.0(3.8) | collector mineral |
| Hinsdalite | PbSrAl3(PO4)(SO4)(OH)6 | 4-5(4.5) | Mineral specimen |
| Hisingerite | Fe2+3(Si,Al)2O5(OH)4 | 2.5-3.5(3.0) | Mineral specimen |
| Hodrushite | Cu2+V6+O4 | 4-5(4.5) | Mineral collector’s item |
| Hoernesite | Mg4(AsO4)2(OH)4�4H2O | 2.5-3.0(2.8) | collector mineral |
| Hohmannite | Fe2+(UO2)2(VO4)2�6-8H2O | 2.0-3.0(2.5) | collector mineral |
| Hollandite | BaMn8O16 | 6-6.5(6.25) | Ore of manganese |
| Homilite | Ca2(Fe,Mg)(BO3)2 | 5.0-6.0(5.5) | collector mineral |
| Hopeite | Zn3(PO4)2�4H2O | 2.5-3(2.75) | Mineral specimen |
| Hornblende | Ca2(Mg,Fe,Al)5(Si,Al)8O22(OH)2 | 5-6(5.5) | Pigment, concrete aggregate |
| Horneblende | Ca2(Mg,Fe,Al)5(Al,Si)8O22(OH)2 | 5.0-6.0(5.5) | building stone, sculpture |
| Hoserite | Mg4(VO4)2(OH)2�4H2O | 2.0-3.0(2.5) | collector mineral |
| Howieite | Na2Mg5Si8O20(OH)4 | 6-7(6.5) | Mineral collector’s item |
| Howlite | Ca2SiO4(OH)2 | 3.5-4(3.75) | Gemstone, decorative objects |
| Huebnerite | MnWO4 | 5.0-5.5(5.3) | ore of tungsten |
| Huemulite | (UO2)2(MoO4)2�8H2O | 2-2.5(2.25) | Mineral specimen |
| Hugelite | Pb2(UO2)2(VO4)2�6-8H2O | 2-3(2.5) | Mineral collector’s item |
| Humite | Mg7(SiO4)3(F,OH)2 | 6-6.5(6.0) | Mineral collector’s item |
| Hummerite | Cu5(UO2)2(VO4)2(OH)4�8-10H2O | 2-3(2.5) | Mineral specimen |
| Huntite | CaMg3(CO3)4 | 3-3.5(3.25) | Fire retardant, filler |
| Hureaulite | Mn5(PO4)2(OH)4�4H2O | 4-4.5(4.25) | Mineral specimen |
| Hurlbutite | CaBe2(PO4)2 | 5-6(5.5) | Mineral specimen |
| Hurtonite | Ca(UO2)2(VO4)2�6-8H2O | 2.0-3.0(2.5) | collector mineral |
| Hussakite | (La,Ce)(UO2)2(VO4)2�6-8H2O | 2.5-3(2.75) | Mineral specimen |
| Hutchinsonite | TlPbAs5S9 | 2-2.5(2.25) | Mineral specimen |
| Hutyaite | Pb(UO2)2(VO4)2�6-8H2O | 2-3(2.5) | Mineral collector’s item |
| Hyalite | SiO2�nH2O | 5.5-6(5.75) | Gemstone, thermal insulation |
| Hydrobasaluminite | Al4(SO4)(OH)10�12-15H2O | 2-3(2.5) | Mineral specimen |
| Hydrocerussite | Pb3(CO3)2(OH)2 | 3.5-4(3.75) | Pigment, mineral specimen |
| Hydroglauberite | Na2Ca(SO4)2�2H2O | 2-3(2.5) | Chemical, mineral specimen |
| Hydrogrossular | Ca3Al2(SiO4)3-x(OH)4x | 6-7(6.5) | Gemstone, mineral specimen |
| Hydronephelite | (Na,K)Al(SiO4)�xH2O | 5.5-6(5.75) | Mineral specimen |
| Hydrophilite | CaCl2�2H2O | 1.5-2(1.75) | Mineral specimen |
| Hydroromarchite | SnO(OH) | 2-3(2.5) | Mineral specimen |
| Hydrozincite | Zn5(CO3)2(OH)6 | 4-4.5(4.25) | Pigment, ore of zinc |
| Hyperalite | BaCl2�2H2O | 2-2.5(2.25) | Mineral specimen |
Descriptions
Hagemannite
A rare hydrous iron aluminum oxide mineral with a greasy to waxy luster and an ochre to brownish-yellow color.
Haggite
A rare sulfate mineral that forms white to pale blue prismatic crystals or crusts.
Hakite
A rare carbonate mineral that forms translucent to opaque white or pale green crystals.
Halbardiite
A rare copper arsenic hydroxide hydrate mineral that forms bright blue to blue-green prismatic crystals or aggregates.
Halite
A common and naturally occurring mineral, Halite is the primary source of salt. It has a distinctive cubic crystal structure and is soft, transparent, and colorless.
Hallerite
A yellow to brown iron oxyhydroxide mineral that forms prismatic to acicular crystals or compact masses. It is a common alteration product of other iron minerals.
Hallertauite
A rare sulfate mineral that forms colorless to pale yellow or green crystals.
Halloysite
A clay mineral with a tubular or spherical structure. It is commonly white, yellow, or red in color and has a variety of industrial applications.
Halovicite
A rare chloride mineral that forms pale yellow to white prismatic crystals or masses.
Hambergite
A rare borate mineral that forms colorless to pale green, tabular to prismatic crystals.
Hamiltonite
A rare hydrous calcium sodium aluminum silicate mineral that forms transparent to translucent, prismatic crystals.
Hamlinite
Hamlinite is a rare hydrous calcium-strontium aluminosilicate mineral. It forms as small, colorless to pale blue prismatic crystals and is valued as a gemstone.
Hanksite
Hanksite is a rare sulfate-carbonate mineral with a unique and complex chemical formula. It forms yellow to white, prismatic crystals and is collected as a mineral specimen.
Hansblockite
A rare green to blue-green uranium vanadate hydrate mineral that forms prismatic to tabular crystals or granular masses.
Hansesmarkite
A rare uranium vanadate mineral that forms yellow to green prismatic crystals.
Hardystonite
A rare silicate mineral with a white, gray, or greenish color. It typically forms in metamorphic rocks and has a vitreous to greasy luster.
Harkerite
A magnesium silicate mineral that forms pale green to white prismatic crystals. It is found in metamorphic rocks and serpentinized ultramafic rocks.
Harmotome
Harmotome is a hydrous barium aluminosilicate mineral that forms as white to colorless, glassy, prismatic crystals. It is primarily collected as a mineral specimen.
Harrisite
A rare magnesium iron silicate mineral that forms yellow to greenish-yellow, prismatic crystals.
Hartite
A rare hydrocarbon mineral that forms white to yellowish-white, waxy crystals.
Hastingsite
Hastingsite is an amphibole group mineral that forms dark green to black, prismatic crystals. It is found in igneous and metamamorphic rocks and is collected as a mineral specimen.
Hatchettite
A rare hydrocarbon mineral that forms white to pale yellow, waxy masses.
Hauerite
A rare manganese sulfide mineral with a metallic luster and a dark brown to black color.
Hausmannite
Hausmannite is a rare manganese oxide mineral that forms dark brown to black, octahedral crystals. It is an important ore of manganese and has been used as a pigment.
Hauyne
A blue to green silicate mineral that forms tetragonal crystals. It is found in volcanic rocks and some metamorphic rocks.
Hawleyite
Hawleyite is a rare cadmium sulfide mineral that forms bright yellow, cubic crystals. It is primarily collected as a mineral specimen due to its distinctive coloration.
Haycockite
A copper-iron sulfide mineral that forms metallic gray to bronze-colored masses. It is found in hydrothermal veins and sedimentary deposits.
Haydeite
A rare magnesium silicate hydroxide mineral that forms white to pale green, fibrous or lamellar crystals.
Haydenite
A rare zeolite mineral that forms white to pale gray, tabular crystals.
Hayesine
A rare borate mineral that forms white to colorless, prismatic crystals or crusts.
Haynesite
Haynesite is a rare uranyl molybdate mineral that forms as bright yellow to greenish-yellow, prismatic crystals. It is primarily collected as a mineral specimen.
Hazelwoodite
Hazelwoodite is a nickel sulfide mineral that forms as bronze to brass-yellow, metallic crystals. It is primarily collected as a mineral specimen.
Heavisite
A magnesium iron silicate mineral that forms pale green to white prismatic crystals. It is found in metamorphic rocks and serpentinized ultramafic rocks.
Heazlewoodite
Heazlewoodite is a nickel sulfide mineral that forms as bronze to brass-yellow, metallic crystals. It is primarily collected as a mineral specimen.
Hebronite
Hebronite is a rare copper carbonate hydroxide mineral that forms as deep blue, prismatic crystals. It has been used as a pigment and is collected as a mineral specimen.
Hectorite
A rare clay mineral that forms white to pale green, platy crystals.
Hedenbergite
Hedenbergite is a pyroxene group mineral that forms as dark green to black, prismatic crystals. It is primarily collected as a mineral specimen.
Hedyphane
Hedyphane is a rare calcium-lead arsenate chloride mineral that forms as yellow to greenish-yellow, prismatic crystals. It is primarily collected as a mineral specimen.
Heidornite
Heidornite is a rare lithium-iron phosphate mineral that forms as dark green to black, prismatic crystals. It is primarily collected as a mineral specimen.
Heinrichite
Heinrichite is a rare uranyl arsenate hydroxide mineral that forms as bright yellow to orange-yellow, tabular crystals. It is primarily collected as a mineral specimen.
Hellandite
Hellandite is a rare calcium-yttrium borosilicate mineral that forms as brown to yellow, prismatic crystals. It is primarily collected as a mineral specimen.
Hellyerite
A rare nickel carbonate mineral that forms blue to green, acicular crystals or crusts.
Helvite
Helvite is a rare manganese beryllium silicate sulfide mineral that forms as yellow to brown, tetrahedral crystals. It is primarily collected as a mineral specimen.
Hematite
Hematite is a common iron oxide mineral that forms as metallic, red, brown, or black, tabular to rhombohedral crystals. It is an important iron ore and has been used as a pigment.
Hemimorphite
Hemimorphite is a zinc silicate hydroxide mineral that forms as white, gray, or blue, prismatic crystals. It is an important ore of zinc and is also used as a gemstone.
Hendricksite
Hendricksite is a rare magnesium-rich mica mineral that forms as brown to green, platy crystals. It is primarily collected as a mineral specimen.
Henrietta
A rare bright green copper arsenic hydroxide mineral that forms small prismatic to tabular crystals or crystalline aggregates.
Henritermierite
Henritermierite is a rare copper arsenate hydroxide mineral that forms as blue to green, prismatic crystals. It is primarily collected as a mineral specimen.
Henryite
A rare copper arsenic sulfide mineral that forms gray to black, metallic crystals or masses.
Hentschelite
Hentschelite is a rare copper-iron oxide mineral that forms as black, octahedral crystals. It is primarily collected as a mineral specimen.
Hercynite
A dark green to black iron aluminum oxide mineral that forms in metamorphic and igneous rocks.
Herderite
Herderite is a rare calcium beryllium phosphate fluoride mineral that forms as colorless to yellow, prismatic crystals. It is used as a gemstone and collected as a mineral specimen.
Hermannjahnite
Hermannjahnite is a rare copper-manganese arsenate hydroxide mineral that forms as blue to green, prismatic crystals. It is primarily collected as a mineral specimen.
Herschelite
A rare hydrous sodium calcium aluminum silicate mineral that forms white to pale yellow, prismatic crystals.
Herzenbergite
Herzenbergite is a rare tin sulfide mineral that forms as gray to black, metallic, prismatic crystals. It is primarily collected as a mineral specimen.
Hessite
A rare telluride mineral that forms gray to steel-gray, metallic crystals or masses.
Heterogenite
Heterogenite is a cobalt oxide hydroxide mineral that forms as black to dark brown, earthy masses. It is an important ore of cobalt.
Heteromorphite
Heteromorphite is a rare lead arsenate chloride mineral that forms as yellow to green, prismatic crystals. It is primarily collected as a mineral specimen.
Heterosite
A rare iron phosphate mineral that forms dark brown to black, metallic crystals or masses.
Heulandite
Heulandite is a zeolite mineral that forms as white to pink, prismatic crystals. It has a high cation exchange capacity and is used as an adsorbent and in water softening.
Hexahydrite
Hexahydrite is a hydrous magnesium sulfate mineral that forms as colorless to white, blocky crystals. It is used as a chemical and desiccant.
Hexatestibiotantalite
A rare oxide mineral that forms gray to black, metallic crystals or masses.
Heyrovskyite
Heyrovskyite is a rare lead tellurite chloride mineral that forms as yellow to orange, tabular crystals. It is primarily collected as a mineral specimen.
Hibonite
A rare aluminum oxide mineral that forms brown to pale blue, tabular to prismatic crystals.
Hidalgoite
Hidalgoite is a rare lead aluminum arsenate hydroxide mineral that forms as green to blue-green, prismatic crystals. It is primarily collected as a mineral specimen.
Hilgardite
A rare calcium borate chloride mineral that forms white to colorless, prismatic crystals.
Hinsdalite
Hinsdalite is a rare lead-strontium aluminum phosphate sulfate hydroxide mineral that forms as green to yellow, prismatic crystals. It is primarily collected as a mineral specimen.
Hisingerite
Hisingerite is a hydrous iron silicate mineral that forms as brown to black, earthy masses. It is primarily collected as a mineral specimen.
Hodrushite
A rare copper vanadium oxide mineral that forms emerald-green to yellow-green tabular to prismatic crystals or compact masses.
Hoernesite
A rare hydrous magnesium arsenic oxide mineral that forms white to pale green, fibrous or acicular crystals.
Hohmannite
A rare hydrous iron uranium vanadium mineral that forms bright yellow to orange-yellow, tabular crystals.
Hollandite
Hollandite is a rare barium manganese oxide mineral that forms as black, prismatic crystals. It is an important ore of manganese.
Homilite
A rare calcium iron magnesium borate mineral that forms brown to black, prismatic crystals.
Hopeite
Hopeite is a hydrous zinc phosphate mineral that forms as colorless to white, prismatic crystals. It is primarily collected as a mineral specimen.
Hornblende
Hornblende is a common amphibole group mineral that forms as dark green to black, prismatic crystals. It is used as a pigment and in concrete as an aggregate.
Horneblende
A common silicate mineral of the amphibole group, typically black or dark green in color, found in igneous and metamorphic rocks.
Hoserite
A rare hydrous magnesium vanadium oxide mineral that forms pale green to yellow, prismatic crystals.
Howieite
A rare sodium magnesium silicate hydroxide mineral that forms white to pale green fibrous to acicular crystals or compact masses.
Howlite
Howlite is a calcium silicate hydroxide mineral that forms as white, nodular masses with distinctive black veins. It is used as a gemstone and for decorative objects.
Huebnerite
A rare manganese tungstate mineral that forms dark brown to black, tabular or prismatic crystals.
Huemulite
Huemulite is a rare uranyl molybdate mineral that forms as bright yellow to greenish-yellow, tabular crystals. It is primarily collected as a mineral specimen.
Hugelite
A rare hydrous lead uranium vanadate mineral that forms pale green to yellow-green prismatic to tabular crystals or compact masses.
Humite
A yellow to brown magnesium silicate fluoride hydroxide mineral that forms short prismatic to tabular crystals or massive forms. It is a rare contact metamorphic mineral.
Hummerite
Hummerite is a rare copper uranyl vanadate hydroxide mineral that forms as bright yellow to orange, tabular crystals. It is primarily collected as a mineral specimen.
Huntite
Huntite is a rare calcium magnesium carbonate mineral that forms as white, rhombohedral crystals. It is used as a fire retardant and as a filler in various applications.
Hureaulite
Hureaulite is a hydrous manganese phosphate mineral that forms as brown to pink, prismatic crystals. It is primarily collected as a mineral specimen.
Hurlbutite
Hurlbutite is a rare calcium beryllium phosphate mineral that forms as colorless to white, prismatic crystals. It is primarily collected as a mineral specimen.
Hurtonite
A rare hydrous calcium uranium vanadium mineral that forms bright yellow, tabular crystals.
Hussakite
Hussakite is a rare lanthanum uranyl vanadate hydrate mineral that forms as bright yellow to orange, tabular crystals. It is primarily collected as a mineral specimen.
Hutchinsonite
Hutchinsonite is a rare thallium lead arsenic sulfide mineral that forms as black, metallic, prismatic crystals. It is primarily collected as a mineral specimen.
Hutyaite
A rare hydrous lead uranium vanadate mineral that forms pale green to yellow-green prismatic to tabular crystals or compact masses.
Hyalite
Hyalite is a variety of opal that forms as colorless, glassy, botryoidal masses. It is used as a gemstone and in thermal insulation products.
Hydrobasaluminite
Hydrobasaluminite is a rare hydrous aluminum sulfate mineral that forms as white, fibrous or stalactitic masses. It is primarily collected as a mineral specimen.
Hydrocerussite
Hydrocerussite is a rare lead carbonate hydroxide mineral that forms as white, prismatic crystals. It has been used as a pigment and is collected as a mineral specimen.
Hydroglauberite
Hydroglauberite is a hydrous sodium calcium sulfate mineral that forms as colorless to white, prismatic crystals. It is used as a chemical and collected as a mineral specimen.
Hydrogrossular
Hydrogrossular is a garnet group mineral that forms as green to yellow, isometric crystals. It is used as a gemstone and collected as a mineral specimen.
Hydronephelite
Hydronephelite is a rare hydrous sodium aluminum silicate mineral that forms as white to colorless, fibrous or prismatic crystals. It is primarily collected as a mineral specimen.
Hydrophilite
Hydrophilite is a rare hydrous calcium chloride mineral that forms as colorless, deliquescent crystals. It is primarily collected as a mineral specimen.
Hydroromarchite
Hydroromarchite is a rare hydrous tin oxide mineral that forms as white to yellow, fibrous or acicular crystals. It is primarily collected as a mineral specimen.
Hydrozincite
Hydrozincite is a hydrous zinc carbonate mineral that forms as white, earthy masses or crusts. It has been used as a pigment and is an ore of zinc.
Hyperalite
Hyperalite is a rare hydrous barium chloride mineral that forms as colorless to white, cubic crystals. It is primarily collected as a mineral specimen.
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