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Created by Cody Yerger
about 5 years ago
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| Question | Answer |
| Calcite CaCO3 (Carbonate) Hardness=3 Vitreous (glassy) Brittle/Conchoidal fracture | |
| Siderite (Carbonate) FeCO3 Fe=2+ Hardness=3.5 Vitreous (glassy) Brittle/Conchoidal Fracture | |
| Rhodochrosite (Carbonate) MnCO3 Mn=2+ Hardness=3 Vitreous (glassy) Brittle/Conchoidal fracture | |
| Dolomite (Carbonate) CaMg(CO3)2 Hardness= 3.5-4 Brittle/Conchoidal Vitreous (glassy) Course-wellformed crystals | |
| Malachite (Carbonate) Cu2(CO3)(OH)2 Hardness= 3.5-4 Uneven Fracture Vitreous (silky) Fibrous habit | |
| Azurite (Carbonate) Cu3(CO3)2(OH)2 Hardness-3.5-4 Vitreous (glassy) | |
| Barite (Sulfate) BaSO4 Hardness=3.0-3.5 Vitreous (glassy) Uneven Fracture Can be Prismatic/tabular/fibrous | |
| Gypsum (Sulfate) CaSO4*2H20 Hardness=2 | |
| Apatite (Phosphates) Ca5(PO4)3F Harness=5 Vitreous (resinous) Brittle/Conchoidal Hexagonal crystals | |
| Pyromorphite (Phosphates) Pb5(PO4)3Cl Hardness=3.5-4 Adamantine (resinous) Prismatic/ reniform | |
| Scheelite (Tungstate) CaWO4 Hardness=4-5 Vitreous (glassy) Uneven Fracture Columnar, dessimated, or granular habit | |
| Calcite CaCO3 (Carbonate) Hardness=3 Vitreous (glassy) | |
| Calcite CaCO3 (Carbonate) Hardness=3 Vitreous (glassy) | |
| Dolomite (Carbonate) CaMg(CO3)2 Hardness= 3.5-4 Brittle/Conchoidal Vitreous (glassy) | |
| Calcite CaCO3 (Carbonate) Hardness=3 Vitreous (glassy) | |
| Scheelite (Tungstate) CaWO4 Hardness=4-5 Vitreous glassy | |
| Barite (Sulfate) BaSO4 Hardness=3.0-3.5 |
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