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22 Cards in this Set
- Front
- Back
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Talc: Greasy to dull luster hardness of 1 May or my not show cleavage color: white to light green used for baby powder |
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gypsum: dull -vitreous -silky- pearly luster colorless-white hardness 2 cleavage 3 not = 90 used for sheetrock, fertilizer and plaster |
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calcite: vitreous luster color variable hardness 3 cleavage 3 not = 90 (rhombohedral) reacts with hydrochloric acid used for cement, antacids, soil amendment |
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fluorite: color variable vitreous luster hardness 4 4 directions of cleavage (octahedral) used in toothpaste
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orthoclase: dull- vitreous luster hardness 6 cleavage: two planes nearly at 90 color varies from white or cream to pink |
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quartz: color variable vitreous luster hardness 7 hexagonal crystals conchoidal fracture S.G. 2.7 used for making glass, clocks, silicon metal for computers |
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muscovite mica: colorless to grey vitreous luster H 2-2.5 1 direction of cleavage used in toothpaste, cosmetics, lamp shades. |
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plagioclase feldspar: white to dark gray sometimes blue gray vitreous luster H-6 2 direction of cleavage at 90 striations used for making porcelain, ceramics |
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biotite mica: dark green to black vitreous luster H- 2-2.5 1 direction of cleavage |
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augite: color- dark green vitreous luster hardness = 6 2 direction of cleavage at about 90 |
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hornblend: black to dark green vitreous luster hardness = 6 2 direcitons of cleavage not at 90 SG 3.4 |
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olivine: olive green vitreous luster hardness - 6.5 conchoidal fracture SG- 3.4 used as gemstone |
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copper |
copper: metallic luster hardness 3.5 color- copper red streak- copper red used for wire, pennies |
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sulfer: yellow color vitreous- resinous luster distinctive odor used for matches, fertilizers, drugs |
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graphite: dark gray to black dull to metallic hardness 1-2 low specific gravity used for pencil lead, dry lubricants, electrodes, fishing poles, tennis rackets. |
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halite: colorless to white dull to vitreous luster hardness about 2 cleavage 3 = 90 (cubic) used for food flavoring and preservation, salting roads |
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hematite: dull to metallic luster color gray to red brown hardness 1-6 streak red brown used for making steel and as a pigment |
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magnetite: dill to submetallic luster color- gray to black moderate specific gravity magnetic used for making steel |
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pyrite: metallic luster brassy yellow color streak black H- 6-61/2 specific gravity is moderate used for making sulfuric acid |
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pyrite: metallic luster brassy yellow color streak black H- 6-61/2 specific gravity is moderate used for making sulfuric acid |
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chalcopyrite: sub-metallic luster brassy yellow color hardness 4 moderate specific gravity streak greenish black major ore of copper |
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garnet: vitreous luster color variable hardness 7.5 dodecahedral crystals conchoidal fracture used for gemstone and abrasive |
