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46 Cards in this Set
- Front
- Back
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Heavy, 90 degree cleavage, density 7.2, mineral, metallic
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Galena
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rubs off on your hands, dark colored, mineral, metallic
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Graphite
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magnetic, metallic mineral
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Magnetite
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red streak, metallic mineral
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Hematite
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fools gold, pale brassy, cubic cleavage, metallic mineral
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Pyrite
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soapy, clay-like non metallic mineral
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Talc
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sticks to tongue, spongey looking non metallic mineral
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Kaolinite
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Cubic, rock salt, 90 degree cleavage, may have red splotches, non metallic mineral, WHITE
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Halite
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Effervescent, soft, not square, non metallic mineral, WHITE
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Calcite
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sheety, tabular, soft non effervescent, non metallic mineral, WHITE
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Gypsum
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Shiny, flaky, sheety, non metallic mineral, CLEAR
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Muscovite
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Black, shiny, flaky, sheety, non metallic mineral
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Biotite
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Octahedral, 6 sided super hard, non metallic mineral, CLEAR
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Quartz
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Usually orange, can't see grains, non metallic mineral, Feldspar
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Orthoclase
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Striations, looks scratched, looks like quartz, wont scratch glass, non metallic mineral, Feldspar
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Plagioclase
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Green, fractures in curves, glassy, non metallic mineral
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Olivine
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Gritty, flat cleavage, detrital sedimentary rock (grains)
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Siltstone
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smooth flat cleavage, detrital sedimentary rock (grains)
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Shale
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Chunks of other rocks, not interlocking, chemical sedimentary rock
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Conglomerate
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Crystals all touching, salt and pepper, chemical sedimentary rock
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Granite
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Red/White glassy interlocking grains, chemical sedimentary rock, yucky
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Rock Salt
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Black and Massive, scratched powder fizzes, chemical sedimentary rock
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Dolemite
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effervescent, chemical sedimentary rock
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Limestone
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Precipitates in layers in caves, fizzes because of calcium, chemical sedimentary rock
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Travertine
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like obsidian, fractures in concoidial, curves, no grains
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Churt
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Grainy, sandy, detrital sedimentary rock
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Sandstone/Quartzite
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Scratch with Fingernail, looks like talc, chemical sedimentary rock, WHITE
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Rock Gypsum
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Powdery, chemical sedimentary rock, WHITE
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Chalk
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Black shiny, chemical sedimentary rock
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Coal
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Intrusive, peppered Felsic Igneous rock, has feldspars, mica, quartz
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Granite
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Intrusive, Intermediate, darker igneous rock
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Diorite
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Intrusive, Mafic, no quartz, igneous rock
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Gabbro
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Intrusive,Olivine with rocks around it, Ultra Mafic, igneous rock
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Peridotite
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Extrusive, Felsic, very small crystals, igneous rock
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Ryolite
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Extrusive, Intermediate, flecks of obsidian, mostly tiny crystals, igneous rock
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Andesite
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Extrusive, Mafic, very dark, may be porous, no crystals, igneous rock
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Basalt
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Foliated, Metamorphic rock, matte, grainy, unnatural colors, metamorphosed
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Slate
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Foliated, Metamorphic rock, shiny [mica] smoother
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Phylite
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Foliated, Metamorphic rock, medium grained, banding "straight lines"
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Schists
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Foliated, Metamorphic rock, curved banding, contains quartz
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Gneiss
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Extrusive, Igneous rock, glassy, fractures in curves, dark, formed very fast
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Obsidian
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Extrusive, Igneous rock, light/porous, formed very fast
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Pumice
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Extrusive, Igneous rock, ashflow [landslide] chunks of other rocks
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Tuff
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Non Foliated, Metamorphic rock, looks like conglomerate, but metamorphosed
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Metaconglomerate
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Non Foliated, Metamorphic rock, homogenous, WHITE
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Quartzite
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Non Foliated, Metamorphic rock, fizzes, can be scratched, WHITE
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Marble
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