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29 Cards in this Set
- Front
- Back
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Gypsum CaSO4•2H2O Vitreous, pearly, silky Soft (H=2), 3 unequal cleavages, fibrous fracture |
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Gypsum CaSO4•2H2O |
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Anhydrite CaSO4 Orthorhombic Vitreous to pearly on cleavage Colorless to gray to blueish to violet May be tinged with rose, brown, or red |
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Anhydrite CaSO4 "sugary" Fibrous, granular, massive |
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Fluorite CaF2 Cubic, scratch w/ knife Vitreous Light green, yellow, purple, colorless, white, rose |
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Fluorite CaF2 |
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Siderite FeCO3 Rhombohedral cleavages Light to dark brown Streak=white |
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Siderite FeCO3 |
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Siderite FeCO3 |
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Siderite FeCO3 |
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Halite NaCl Isometric Transparent to translucent to greasy Colorless or white Salty taste |
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Halite NaCl |
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Halite NaCl |
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Sylvite KCl Isometric Colorless or white; shades yellow, blue or red from impurities More bitter than halite |
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Sylvite KCl |
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Magnesite MgCO3 White, compact, earthy masses Coarse to fine White, gray |
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Magnesite MgCO3 |
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Rhodichrosite MnCO3 Rose-red, light pink to brown Streak=white |
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Rhodochrosite MnCO3 |
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Rhodochrosite MnCO3 |
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Rhodochrosite MnCO3 |
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Apatite Ca5(PO4)3 (F,Cl,OH) Long prismatic habit Vitreous to subresinous Usually green or brown Scratch w/ knife |
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Malachite Cu2CO3(OH)2 Bright green Streak=pale green |
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Azurite Cu3(CO3)2(OH)2 Azure-blue Streak=light blue Rxn to HCl |
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Barite BaSO4 Vitreous Colorless, white, light shades of blue, yellow, red Streak = white Barite Rose, arranged like a net, radiating crystals Cement sand w/in crystalsGalena & sphalerite Galena & sphalerite
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Barite BaSO4 |
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Turquoise |
CuAl6(PO4)4(OH8)•H2O |
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Rxn to HCl |
Calcite CaCO3 |
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Dolomite CaMg(CO3)2 Fresh face rxn to hcl |
