Choose A Mineral
Galena ·
Sphalerite ·
Magnetite ·
Hematite ·
Bauxite ·
Pyrite ·
Calcite ·
Dolomite ·
Fluorite ·
Halite ·
Selenite Gypsum ·
Kaolinite ·
Olivine ·
Hornblende ·
Mica ·
Talc ·
Feldspar ·
Quartz ·
Garnet ·
Serpentine
Galena [PbS]
- Ore of Lead
- Crystal Form: Cubic
- Cleavage: Cubic
- Luster: Metallic
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Sphalerite [ZnS]
- Ore of Zinc
- Streak: Yellow
- Odor: Rotten Egg(Sulfer)
- Luster: Resinous
- Cleavage: dodecahedral
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Magnetite [Fe3O4]
- Ore of Iron
- Luster: Metallic
- Lodestone
- Color: Dark
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Hematite [Fe2O3]
- Ore of Iron
- Streak: Red
- Luster: Dull
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Bauxite
- Ore of Aluminum
- Luster: Dull
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Pyrite F[eS2]
- Luster: Metallic
- Color: Brassy Gold
- Crystal Form: Cubic
- Cleavage: Cubic
- Streak: Black
- Odor: Sulfer
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Calcite [CaCO3]
- Source of calcium("Lime")
- Used in Portland cement
- Hardness: 3
- Cleavage: Rhombic
- Diaphanity: Translucent to Transparent
- Fast reaction to HCl
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Dolomite [CaMg(CO3)2]
- Source of calcium for soil treatment
- Slow reaction to HCl
- Colors: Pink & Purple are common
- Granular look and feel
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Fluorite [CaF2]
- Hydrofluoric acid for etching
- Source of fluorine for oral hygiene
- Fluxing agent
- Hardness: 4
- Cleavage: Octahedral
- Crystal Form: Cubic
- Luster: Vitreous
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Halite [NaCl]
- Table salt
- Cleaning Agents
- Crystal Form: Cubic
- Cleavage: Cubic
- Diaphanity: Transparent to translucent
- Luster: Vitreous
- Salty Taste
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Selenite Gypsum [CaSO4ܨH2O]
- Hardness: 2
- Cleavage: Basal
- Diaphanity: Transparent to translucent
- Luster: Vitreous
- Fracture: Fibrous
- Tenacity: Flexible
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Kaolinite [H4Al2Si2O9]
- Fine China, Ceramics, Paper, Paints, some Plastics
- Hardness: Low
- Color: White
- Chalky Feel and Look
- Luster: Dull
- Odor: Musty when damp
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Olivine [(MgFe)2SiO4]
- Rare mineral in crust
- Common in certain meteorites
- Color: Green
- Texture: Granular
- Luster: Vitreous
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Hornblende [Ca2Na(MgFe2)4(AlFe3
Ti)(AlSi)8O22(OOH)2]
- Principle component of granite.
- Color: Black to dark green
- Luster: Silky
- Cleavage: Prismatic
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Mica [KAl2(AlSi3O10)(OH)2]
- Cleavage: Basal
- Tenacity: Elastic
- Luster: Vitreous
- Hardness: Low
- Diaphenity: Transluscent to Transparent
- Muscovite
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Talc [Mg3(Si4O10)(OH)2]
- Powder, ceramics, rubber, plastics, lubricants, expensive non-reactive table tops (chemistry work area)
- Hardness: 1
- Soapy or Greasy feel
- Color: Commonly greenish
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Feldspar [KAlSi3O8]
- Most common mineral in crust.
- Makes cheap glass products.
- Hardness: 6
- Cleavage: Prismatic
- Color: typically off-white to orangish color
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Quartz [SiO2]
- Second most common mineral
- Hardness: 7
- Crystal Form: Hexagonal
- Fracture: Conchoidal
- Diaphanity: Transparent to Transluscent
- Luster: Vitreous
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Garnet [Fe3Al2(SiO4)3]
- emery board
- Crystal Form: Dodecahedral
- Fracture: Hackly
- Hardness: +8
- Luster: Vitreous
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Serpentine [Mg3Si2O5(OH)4]
- Asbestos
- Fracture: Fibrous
- Luster: Waxy
- Color: Greenish-White
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