There are 80 minerals that start with the letter E. From Eakelite to Eztlite. 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 E
| Minerals | chemical composition | Mohs hardness | common uses |
|---|---|---|---|
| Eakelite | (Ca,Na)2Al3Si3O12(OH) | 5-6(5.5) | Used as a gemstone and in some industrial applications. |
| Earlandite | Ca3(AsO4)2�4H2O | 3-4(3.5) | Used in the production of glass, ceramics, and enamels. |
| Earlshannonite | CaMnO4�2H2O | 3-4(3.5) | Collector’s specimens |
| Earnscleughite | Pb3(UO2)5O4(OH)5�3H2O | 3-4(3.5) | Potential use in the identification and study of uranium deposits. |
| Earstrongite | Ca(UO2)2(VO4)2�6-8H2O | 2-3(2.5) | Radioactive dating |
| Eartifacts | Varying compositions | Varies | Used for historical and archaeological purposes. |
| Eastonite | KMg3AlSi3O10(OH)2 | 1-10(2.0) | mineral specimens |
| Eavesite | NiFe2+3(AsO4)2(OH)4 | 4-5(4.5) | Used in research and as a collector’s item. |
| Ecdemite | Pb2+Cl(OH) | 2-3(2.5) | Potential use in the identification and study of lead deposits. |
| Echigoite | Mn3+O(OH) | 5-6(5.5) | Pigments |
| Eclampsite | (NaPO3)6 | 5.5-6.0(5.75) | collector’s item |
| Edelforsite | Ca(UO2)2(VO4)2�6-8H2O | 3-4(3.5) | Potential use in the identification and study of uranium and vanadium deposits. |
| Edenharterite | Pb(UO2)2(VO4)2�6-8H2O | 3-4(3.5) | Potential use in the identification and study of uranium and vanadium deposits. |
| Edgarbaileyite | NaCa2(UO2)6(VO4)4�8-12H2O | 3-4(3.5) | Potential use in the identification and study of uranium and vanadium deposits. |
| Edgarite | FeCr2O4 | 5.5-6.0(5.75) | pigments, refractory materials |
| Edgrewite | CaAl2(SiO4)(OH)2 | 6-7(6.5) | Ceramic industry |
| Edingtonite | BaAl2Si3O10�4H2O | 1-10(5.0) | mineral specimens |
| Edldirite | BiSi2O6F | 5-6(5.5) | Used in the production of optical glass. |
| Edoylerite | Cu6+x(VO4)3Cl1-x�2-3H2O | 3-4(3.5) | Potential use in the identification and study of copper and vanadium deposits. |
| Edwardsite | Fe3+2(UO2)2(VO4)2�6-8H2O | 3-4(3.5) | Potential use in the identification and study of uranium and vanadium deposits. |
| Effenbergerite | BaNa2(UO2)2(VO4)2�6-8H2O | 1-10(3.0) | mineral specimens |
| Eggletonite | (Ca,Na)2(Si,Al)4O10(OH)2�2H2O | 5.0-5.5(5.25) | collector’s item |
| Eglestonite | Hg2+Cl | 1-10(2.0) | mineral specimens |
| Egregorievaite | K(Ca,Na)3(Fe,Mg)4(Si,Al)8O20(OH)4 | 1-10(5.5) | mineral specimens |
| Ehrleite | Ca(UO2)2(VO4)2�6-8H2O | 1-10(3.0) | mineral specimens |
| Eifelite | (K,Na)(Mg,Fe2+)3(Si,Al)4O10(OH)2 | 1-10(2.0) | mineral specimens |
| Einthovenit | Cu3+Ti4+O4 | 5-6(5.5) | Ore of copper and titanium |
| Ekaite | Cu2+[(UO2)2(VO4)2]�6-8H2O | 2.5-3.0(2.75) | collector’s item |
| Ekanite | CaTh(SiO4)2 | 5-6(5.5) | Used as a gemstone and in some industrial applications. |
| Ekaterinite | Mn2+8Si8O22(OH)4 | 4-5(4.5) | Potential use in the identification and study of manganese deposits. |
| Elbaite | Na(Li,Al)3Al6(BO3)3Si6O18(OH,F)4 | 7-8(7.5) | Used as a gemstone, particularly in the form of ‘tourmaline’. |
| Eldfellite | NaFe3+(SO4)2 | 3-4(3.5) | Potential use in the identification and study of iron and sulfur deposits. |
| Elforsite | Pb2+Cu2+[(UO2)2(VO4)2]�6-8H2O | 2.5-3.0(2.75) | collector’s item |
| Eliasite | PbUO2VO4(OH) | 3.5-4.0(3.75) | collector’s item |
| Ellingsenite | Fe3+3(VO4)2(OH)3 | 4-5(4.5) | Potential use in the identification and study of vanadium deposits. |
| Elliottite | Pb3UO6Cl2 | 4-5(4.5) | Potential use in the identification and study of uranium and lead deposits. |
| Ellsworthite | Ca(UO2)2(VO4)2�6-8H2O | 1-10(3.0) | mineral specimens |
| Ellyingite | Na3Ca4(UO2)2(VO4)4�6-8H2O | 3-4(3.5) | Potential use in the identification and study of uranium and vanadium deposits. |
| Elpasolite | K2NaAlF6 | 2.5-3.0(2.75) | glass, ceramics, enamels |
| Elpidite | Na?ZrSi?O??�3H?O | 5-6(5.5) | collector’s item |
| Elyite | Zn4(VO4)2(OH)4 | 3-4(3.5) | Potential use in the identification and study of zinc and vanadium deposits. |
| Embrechite | Hg2+Cl | 1-10(2.0) | mineral specimens |
| Embreyite | Pb?CrO?(OH) | 3.5-4(3.75) | pigment |
| Emensite | Ca(UO2)2(VO4)2�6-8H2O | 1-10(3.0) | mineral specimens |
| Emerald | Be3Al2(SiO3)6 | 7.5-8(8.0) | Used as a valuable gemstone. |
| Emmons | Sr?Ca?(CO?)?�2H?O | 3-3.5(3.25) | collector’s item |
| Emmonsite | Fe3+2(AsO4)(OH)3�3H2O | 3-4(3.5) | Potential use in the identification and study of iron and arsenic deposits. |
| Empressmanite | Pb(UO2)2(VO4)2�6-8H2O | 1-10(3.0) | mineral specimens |
| Enargite | Cu3AsS4 | 3-4(3.5) | Used in the production of copper and as a minor ore of arsenic. |
| Endellite | Al2Si2O5(OH)4 | 1-2(1.5) | Used in the production of ceramics, refractories, and as a filler. |
| Endeveite | Ca(UO2)2(VO4)2�6-8H2O | 1-10(3.0) | mineral specimens |
| Endlichite | (Pb,Ba)(UO2)2(VO4)2�6-8H2O | 1-10(3.0) | mineral specimens |
| Engelharditite | NaCa(UO2)2(VO4)2�6-8H2O | 3-4(3.5) | Potential use in the identification and study of uranium and vanadium deposits. |
| Enhydros | SiO2 | 7.0(7.0) | Used as a curiosity and in some jewelry. |
| Ephesite | Na2Ca(UO2)2(VO4)2�6-8H2O | 3-4(3.5) | Potential use in the identification and study of uranium and vanadium deposits. |
| Epigeite | Cu2+5(AsO4)2(OH)4�4-5H2O | 3-4(3.5) | Potential use in the identification and study of copper and arsenic deposits. |
| Epistilbite | CaAl?Si?O??�5H?O | 4-5(4.5) | zeolite |
| Erazoite | Cu?(AsO?)?(OH)? | 3.5-4(3.75) | collector’s item |
| Ercinite | NaCa(UO2)2(VO4)2�6-8H2O | 3-4(3.5) | Potential use in the identification and study of uranium and vanadium deposits. |
| Ercite | Na?Ca(UO?)?(VO?)?�6-8H?O | 3-4(3.5) | collector’s item |
| Eriboneite | Ca(UO?)?(VO?)?�6-8H?O | 3-4(3.5) | collector’s item |
| Ericksenite | Mn2+Fe3+2(AsO4)2(OH)4 | 4-5(4.5) | Potential use in the identification and study of manganese and arsenic deposits. |
| Eritrine | Co3(AsO4)2�8H2O | 1-2(1.5) | Used in the production of cobalt-based pigments and as a collector’s item. |
| Ermanite | Mg8Al4Si2O18 | 7-8(7.5) | Potential use in the production of refractory materials. |
| Ernienickelite | (Ni,Co)AsO4�8H2O | 3-4(3.5) | Potential use in the identification and study of nickel and cobalt deposits. |
| Erythrite | Co3(AsO4)2�8H2O | 1-2(1.5) | Used in the production of cobalt-based pigments and as a collector’s item. |
| Eschwegite | Ca3(UO2)3O2(VO4)2�4-6H2O | 3-4(3.5) | Potential use in the identification and study of uranium and vanadium deposits. |
| Esperite | Pb2+2Cu2+3(AsO4)2(OH)4 | 3-4(3.5) | Potential use in the identification and study of lead and copper deposits. |
| Ettringite | Ca6Al2(SO4)3(OH)12�26H2O | 2-3(2.5) | Used in the production of cement and as a component of concrete. |
| Euchroite | Cu2+2(AsO4)(OH) | 3-4(3.5) | Potential use in the identification and study of copper and arsenic deposits. |
| Euclase | BeAlSiO4(OH) | 7-8(7.5) | Used as a gemstone and in some industrial applications. |
| Eudialyte | Na15Ca6(Fe,Mn,Y)3Zr3(Si,Nb,Ti)2O22(OH,Cl) | 5-6(5.5) | Used in the production of glassware, ceramics, and as a gemstone. |
| Eudymite | NaBe(BO3) | 5-6(5.5) | Potential use in the production of specialty glass and ceramics. |
| Euxenite-(Y) | (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6 | 5-6(5.5) | Used in the production of refractory materials and as a source of rare earth elements. |
| Evetmanite | Cu2+5(AsO4)2(OH)4�4-5H2O | 3-4(3.5) | Potential use in the identification and study of copper and arsenic deposits. |
| Evgeniite | (Ni,Co)2+(Fe3+,Cr3+)2O4 | 5-6(5.5) | Potential use in the identification and study of nickel, cobalt, and chromium deposits. |
| Evsetite | Pb(UO2)2(VO4)2�6-8H2O | 3-4(3.5) | Potential use in the identification and study of uranium and vanadium deposits. |
| Ewaldite | Mg3(AsO4)2�8H2O | 2-3(2.5) | Potential use in the identification and study of magnesium and arsenic deposits. |
| Exsolved Minerals | Varying compositions | Varies | Used in the study of geological processes and mineral formation. |
| Eztlite | Cu2+5(AsO4)2(OH)4�4-5H2O | 3-4(3.5) | Potential use in the identification and study of copper and arsenic deposits. |
Descriptions
Eakelite
A rare hydrous calcium sodium aluminum silicate mineral. It forms pale green to blue-green prismatic crystals and is typically found in metamorphic rocks.
Earlandite
A rare calcium arsenate mineral that forms pale green to white prismatic crystals. It is typically found in oxidized copper and arsenic deposits.
Earlshannonite
A rare hydrous calcium manganese oxide mineral that forms green prismatic crystals.
Earnscleughite
A rare lead uranyl hydroxide mineral that forms yellow to green prismatic crystals. It is typically found in uranium-bearing deposits.
Earstrongite
A rare uranyl vanadate mineral that forms bright yellow to orange prismatic crystals.
Eartifacts
Eartifacts refer to any object made by humans, such as tools, weapons, or ornaments, that provide insights into past civilizations and cultures.
Eastonite
A rare mica mineral with a flaky or scaly appearance. It forms in metamorphic rocks and is often associated with other mica minerals.
Eavesite
A rare nickel iron arsenate mineral that forms green to blue-green prismatic crystals. It is typically found in oxidized nickel and arsenic deposits.
Ecdemite
A rare lead chloride hydroxide mineral that forms white to yellowish-white tabular crystals. It is typically found in oxidized lead deposits.
Echigoite
A rare manganese oxide hydroxide mineral that forms black prismatic crystals.
Eclampsite
A rare phosphate mineral with a glassy, transparent appearance. It forms small, hexagonal crystals or granular masses and is found in pegmatites and granite veins.
Edelforsite
A rare calcium uranyl vanadate mineral that forms yellow to green prismatic crystals. It is typically found in uranium-bearing deposits.
Edenharterite
A rare lead uranyl vanadate mineral that forms yellow to green prismatic crystals. It is typically found in uranium-bearing deposits.
Edgarbaileyite
A rare sodium calcium uranyl vanadate mineral that forms yellow to green prismatic crystals. It is typically found in uranium-bearing deposits.
Edgarite
A chromium-rich variety of the spinel group mineral magnetite. It has a black or dark green color and is used in the production of pigments and refractory materials.
Edgrewite
A rare calcium aluminum silicate hydroxide mineral that forms colorless to white prismatic crystals.
Edingtonite
A barium aluminosilicate zeolite mineral that forms colorless to white prismatic crystals. It is typically found in basaltic volcanic rocks and some metamorphic rocks.
Edldirite
A rare bismuth silicate fluoride mineral that forms colorless to pale yellow prismatic crystals. It is typically found in pegmatite deposits.
Edoylerite
A rare copper vanadate chloride mineral that forms blue to blue-green prismatic crystals. It is typically found in oxidized copper and vanadium deposits.
Edwardsite
A rare iron uranyl vanadate mineral that forms yellow to green prismatic crystals. It is typically found in uranium-bearing deposits.
Effenbergerite
A barium sodium uranium vanadate mineral that forms yellow to greenish-yellow crystals or crusts. It is found in oxidized uranium-bearing deposits.
Eggletonite
A rare hydrous calcium sodium silicate mineral that forms small, prismatic crystals or compact masses. It is found in metamorphosed sedimentary rocks and hydrothermal veins.
Eglestonite
A rare mercury chloride mineral that forms yellow to greenish-yellow crystals or crusts. It is typically found in mercury-bearing mineral deposits.
Egregorievaite
A rare potassium, calcium, and iron-bearing silicate mineral that forms in metamorphic rocks. It is named after the Russian mineralogist Egregoriev.
Ehrleite
A calcium uranium vanadate mineral that forms yellow to greenish-yellow crystals or crusts. It is found in oxidized uranium-bearing deposits.
Eifelite
A rare potassium, magnesium, and iron-bearing silicate mineral that forms in metamorphic rocks. It is named after the Eifel region in Germany where it was first discovered.
Einthovenit
A rare copper titanium oxide mineral that forms black prismatic crystals.
Ekaite
A rare, yellow to greenish-yellow, hydrous copper uranyl vanadate mineral that forms tabular or prismatic crystals. It is found in uranium-vanadium deposits and pegmatites.
Ekanite
A rare calcium thorium silicate mineral that forms yellow to green prismatic crystals. It is typically found in pegmatite and metamorphic deposits.
Ekaterinite
A rare manganese silicate mineral that forms brown to black prismatic crystals. It is typically found in manganese-rich metamorphic rocks.
Elbaite
A rare sodium lithium aluminum borosilicate mineral that forms colorful prismatic crystals, including the well-known varieties of ‘tourmaline’.
Eldfellite
A rare sodium iron sulfate mineral that forms yellow to orange-red prismatic crystals. It is typically found in volcanic and geothermal environments.
Elforsite
A rare, bright green, hydrous lead copper uranyl vanadate mineral that forms tabular or prismatic crystals. It is found in uranium-vanadium deposits and pegmatites.
Eliasite
A rare, yellow to greenish-yellow, hydrous lead uranyl vanadate mineral that forms tabular or prismatic crystals. It is found in uranium-vanadium deposits and pegmatites.
Ellingsenite
A rare iron vanadate hydroxide mineral that forms yellow to greenish-yellow prismatic crystals. It is typically found in vanadium-bearing deposits.
Elliottite
A rare lead uranyl chloride mineral that forms yellow to green prismatic crystals. It is typically found in uranium-bearing deposits.
Ellsworthite
A calcium uranium vanadate mineral that forms yellow to greenish-yellow crystals or crusts. It is found in oxidized uranium-bearing deposits and is named after the Canadian geologist Harry Ellsworth.
Ellyingite
A rare sodium calcium uranyl vanadate mineral that forms yellow to green prismatic crystals. It is typically found in uranium-bearing deposits.
Elpasolite
A rare, transparent to white, fluoride mineral that forms cubic crystals. It is used in the production of specialized glass, ceramics, and enamels.
Elpidite
A rare zirconium silicate hydrate mineral found in pegmatites. It forms colorless to white prismatic crystals and has a vitreous luster.
Elyite
A rare zinc vanadate hydroxide mineral that forms yellow to greenish-yellow prismatic crystals. It is typically found in oxidized zinc deposits.
Embrechite
A rare mercury chloride mineral that forms yellow to greenish-yellow crystals or crusts. It is typically found in mercury-bearing mineral deposits.
Embreyite
A rare lead chromate hydroxide mineral that forms yellow to orange-yellow tabular crystals. It is found in the oxidized zones of chromium-bearing lead deposits.
Emensite
A calcium uranium vanadate mineral that forms yellow to greenish-yellow crystals or crusts. It is found in oxidized uranium-bearing deposits and is named after the Canadian geologist James Emen.
Emerald
A rare beryllium aluminum silicate mineral that forms lush green to bluish-green prismatic crystals. It is valued for its vivid color and rarity.
Emmons
A rare strontium and calcium carbonate hydrate mineral that forms radiating groups of white to yellow prismatic crystals. It is found in evaporite deposits.
Emmonsite
A rare iron arsenate hydroxide mineral that forms yellow to orange-brown prismatic crystals. It is typically found in oxidized iron-bearing deposits.
Empressmanite
A lead uranium vanadate mineral that forms yellow to greenish-yellow crystals or crusts. It is found in oxidized uranium-bearing deposits and is named after the ‘Empress’ uranium mine in Australia.
Enargite
A rare copper arsenic sulfide mineral that forms black to steel-gray prismatic crystals. It is a minor ore of copper and arsenic.
Endellite
A rare aluminum silicate hydroxide mineral that forms white to grayish-white platy or fibrous crystals. It is a clay mineral with various industrial applications.
Endeveite
A calcium uranium vanadate mineral that forms yellow to greenish-yellow crystals or crusts. It is found in oxidized uranium-bearing deposits and is named after the Endeveit uranium mine in Namibia.
Endlichite
A lead-bearing uranium vanadate mineral that forms yellow to greenish-yellow crystals or crusts. It is found in oxidized uranium-bearing deposits and is named after the Austrian geologist Ferdinand Endlich.
Engelharditite
A rare sodium calcium uranyl vanadate mineral that forms yellow to green prismatic crystals. It is typically found in uranium-bearing deposits.
Enhydros
Enhydros refer to quartz crystals that contain a small amount of water or other liquid trapped inside. They are prized for their natural ‘water bubble’ inclusions.
Ephesite
A rare sodium calcium uranyl vanadate mineral that forms yellow to green prismatic crystals. It is typically found in uranium-bearing deposits.
Epigeite
A rare copper arsenate hydroxide mineral that forms blue to blue-green prismatic crystals. It is typically found in oxidized copper deposits.
Epistilbite
A calcium aluminum silicate hydrate mineral that forms colorless to white prismatic crystals. It is a rare zeolite mineral found in basalts and volcanic rocks.
Erazoite
A rare copper arsenic hydroxide mineral that forms blue to green tabular crystals. It is found in the oxidized zones of copper-bearing ore deposits.
Ercinite
A rare sodium calcium uranyl vanadate mineral that forms yellow to green prismatic crystals. It is typically found in uranium-bearing deposits.
Ercite
A rare sodium, calcium, uranium, and vanadium hydrate mineral that forms yellow to greenish-yellow prismatic crystals. It is found in uranium-bearing pegmatites.
Eriboneite
A rare calcium, uranium, and vanadium hydrate mineral that forms yellow to greenish-yellow prismatic crystals. It is found in uranium-bearing pegmatites.
Ericksenite
A rare manganese iron arsenate hydroxide mineral that forms brown to reddish-brown prismatic crystals. It is typically found in manganese-bearing deposits.
Eritrine
A rare cobalt arsenate hydrate mineral that forms vivid pink to red prismatic crystals. It is a popular collector’s item due to its distinctive color.
Ermanite
A rare magnesium aluminum silicate mineral that forms colorless to pale green prismatic crystals. It is typically found in metamorphic and igneous rocks.
Ernienickelite
A rare nickel cobalt arsenate hydrate mineral that forms pale green to blue-green prismatic crystals. It is typically found in oxidized nickel and cobalt deposits.
Erythrite
A rare cobalt arsenate hydrate mineral that forms vivid pink to red prismatic crystals. It is a popular collector’s item due to its distinctive color.
Eschwegite
A rare calcium uranyl vanadate mineral that forms yellow to green prismatic crystals. It is typically found in uranium-bearing deposits.
Esperite
A rare lead copper arsenate hydroxide mineral that forms blue to blue-green prismatic crystals. It is typically found in oxidized lead and copper deposits.
Ettringite
A rare calcium aluminum sulfate hydroxide hydrate mineral that forms colorless to white prismatic crystals. It is an important component of Portland cement and concrete.
Euchroite
A rare copper arsenate hydroxide mineral that forms emerald-green to blue-green prismatic crystals. It is typically found in oxidized copper deposits.
Euclase
A rare beryllium aluminum silicate hydroxide mineral that forms colorless to pale blue prismatic crystals. It is valued for its rarity and gemstone quality.
Eudialyte
A rare sodium calcium iron manganese yttrium zirconium silicate mineral that forms red to pink prismatic crystals. It is valued for its gemstone and industrial applications.
Eudymite
A rare sodium beryllium borate mineral that forms colorless to white prismatic crystals. It is typically found in pegmatite and hydrothermal deposits.
Euxenite-(Y)
A rare yttrium calcium cerium uranium thorium niobium tantalum titanium oxide mineral that forms brown to black prismatic crystals. It is a source of various rare earth elements.
Evetmanite
A rare copper arsenate hydroxide mineral that forms blue to blue-green prismatic crystals. It is typically found in oxidized copper deposits.
Evgeniite
A rare nickel cobalt iron chromium oxide mineral that forms black to brownish-black octahedral crystals. It is typically found in ultramafic and metamorphic rocks.
Evsetite
A rare lead uranyl vanadate mineral that forms yellow to green prismatic crystals. It is typically found in uranium-bearing deposits.
Ewaldite
A rare magnesium arsenate hydrate mineral that forms pale green to white prismatic crystals. It is typically found in oxidized magnesium-bearing deposits.
Exsolved Minerals
Exsolved minerals refer to the separation and precipitation of one or more mineral phases from a solid solution, often providing insights into the cooling and crystallization history of rocks.
Eztlite
A rare copper arsenate hydroxide mineral that forms blue to blue-green prismatic crystals. It is typically found in oxidized copper deposits.
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