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15 Cards in this Set
- Front
- Back
- 3rd side (hint)
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White to colorless, hardness of 3.5, non metallic
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Calcite
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Vigorous reaction to HCl
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Harder than streak plate, hackly fracture
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Garnet
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Red to Brown
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White to transparent, 1 direction of cleavage
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Muscovite
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Clear or white, white streak, 3 planes of cleavage (90 degrees)
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Halite
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Salty
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Clear, white, or pinkish; vitreous, concoidal fracture, no cleavage
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Quartz
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White clear, white streak, silky, 1 direction of cleavage
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Gypsum
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Harder than streak plate, sugary texture
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Olivine
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Green
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Sulfur; metallic,
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Pyrite
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Pink, white, tan; 2 planes of cleavage
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K Feldspar
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Flesh colored
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White, grey; 2 planes of cleavage
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Na and Ca Plagioclase
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Blue iridesense on some
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Black, 2 planes of cleavage (60 / 120), non-metallic
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Amphibole
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Grey, Green, Black, Brown; Cherry red streak; metallic, earthy
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Hematite
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Black; >6, 2 planes of 60 degree cleavage
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Pyroxene
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Silver, black; metallic grey streak; 3 planes of cleavage
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Galena
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Brown to Black; 1 plane of cleavage
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Biotite
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