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Details Title: Common mineral identification Description: various minerals Total Flash Cards: 24 Created: 02/04/2007 18:36:09	To study from this set of flash cards, or to create your own your own study flash cards, register HERE. If you are already a registered user, CLICK HERE.
Cards Term Hematite Definition Red or black streak/color. Black variety rather flat. 2-6.5 hardness. Term Limonite Definition Earthy, usually soft. Rusty. 1-5.5 Term Galena Definition Grey color/streak. Perfect cubic cleavage. Lightweight. 2.5 Term Chalco-Pyrite Definition Gold in color, greenish black streak. Softer that pyrite. 3.5-4 Term MAgnetite Definition MAgnetic Term Pyrite Definition Gold like. Green black streak. 6-6.5 Term Talc Definition green, grey or white. White streak. Soapstone, feels greasy. 1 perfect cleavage. hardness 1 Term Kaolin Definition white clor/streak. One perfect cleavage. MAssive. Grainy and flakey. 1.5-2.5 Term Chlorite Definition GREEN! 1 perfect cleavage. Flexible flakes. MAssive. 1-2.5 Term Biotite Mica Definition black, sheets. White streak. 2-2.5 Term Muscovite Mica Definition silver/colorless. WHite streak. Brilliant luster. 2-2.5 Term Halite Definition White. Salty. Cubic Term Sylvite Definition VERy salty/botter. Red tint Term Gypsum Definition colorless, white, PINK grey. White streak. 2. Flakes. 1-2 good cleavages. Fibrous masses. Term Calcite Definition white, colorless, grey, pink. White streak. disolves in the acid. twinning striations. 3 Term Dolomite Definition white, grey, pink, white streak. dissolves only when powdered. rhomb-shaped crystals. Curved crystal faces. 3.5-4 Term Sphalerite Definition Resinous luster. 6 cleavages. yellow/greenish brown or dark red. white/yellow/brown streak3.5-4 Term Amphibole Definition black/dark green. gray/green/white. Acute angles. Twin planes. 5-6 Term Pyroxene Definition black/dark green. green/gray/white streak. Right angle. 5-6 Term Orthoclase Feldspar Definition white/buff/grey/pinkish. White streak. Usually Pink. right angles. NNO TWINNING> single twin common. 6 Term Plagioclase Feldspar Definition grey or pink. right angles. TWINNING striations. 6 Term Olivine Definition yellow green. WHite streak. Glassy, no cleavage, small grains. distinc color. 6-7 Term Garnet Definition red/yellow green/brownish. White streak. 6.5-7.5 Term Quartz Definition white/colorless/smokey/pink. White streak. No cleavage. Conchoidal fracture.