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Details Title: rocks quiz 1 Description: gay! Total Flash Cards: 26 Created: 09/12/2006 19:06:30	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 reddish brown streak Definition hematite Term reddish brown streak Definition hematite Term grey and shiny luster 3 sets of cleavage looks like a cube and is heavy Definition galena Term sheet like structure black in color Definition biotite Term sheet like structure colorless Definition muscovite Term sheet like structure colorless Definition muscovite Term hard and has no cleavage Definition quartz Term hard and has no cleavage Definition quartz Term jet black looks splintery Definition hornblende Term gets your hands dirty Definition graphite Term clear taste salty brittle and cubic Definition halite Term flesh colored looks like a block Definition potassium feldspar Term white or grey blocky Definition plagioclase feldspar Term reacts with acid white Definition calcite Term red color and hardness Definition garnet Term very soft white color can scratch with fingernail Definition gypsum Term greenish black color Definition augite Term white or light colored Definition fluorite Term magnetic Definition magnetite Term textured looks like salt and pepper mixed olive green shade Definition olivine Term very soft soapy can scratch with fingernail Definition talc Term fools gold shiny grey streak Definition pyrite Term a mineral is? Definition an inorganic natureally occurring substance that have characteristic chemical composition distinctive physical properties crystalline structure Term intrusive Definition The mineral crystals within them are large enough to see without a microscope cools underneath the surface of earth very slowly Term extursive Definition When lava erupts onto the Earth's surface, it cools quickly. has very small crystals becasue they dont have time to form Term 7 ways to describe a mineral Definition color crystal form luster hardness streak cleavage fracture