Mineral and Rock Review

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Mineral and Rock Review
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Augite
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Biotite and Muscovite

• Both Micas

4
Calcite Note the 60-1200 Cleavage
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Amphibole-Hornblende
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Galena PbS Cubic Cleavage High Specific Gravity
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Halite NaCl

• Halite Cubic Cleavage Rock Salt

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Hematite Iron OxideRed Brown Streak
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Quartz Variety by Color (Hardness 7)
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K-Spar (pink or white)
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Magnetite (Magnetic)
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Olivine
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Plagioclase Has Striations
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Pyrite Cubic
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Pyrite and Quartz
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Talc Pearly Luster
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Kaolinite Dull Luster
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Igneous RocksScoria Basalt
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Basalt
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Andesite Porphory
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Diorite
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Granite
Granite with quartz biotite and white k-spar
T

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Porphyritic Granite (One large mineral)
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Gabbro
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Pumice Gray
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Rhyolite
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Glassy TextureObsidian May be Black or Brown
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Sedimentary Rocks

• Conglomerate Rounded Breccia Angular

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Quartz Sandstone with Hematite

• Quartz Sandstone with Hematite Quartz
  Sandstone

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Arkose SandstoneHas K-Spar Fragements
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Shale
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Limestone
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Fossiliferous Limestone
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Coal

• Bituminous Anthracite

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Gypsum and Rock Gypsum
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Metamorphic Rocks Slate
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Phyllite
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Schist
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Gneiss
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Quartzite Looks like Marble But, Hardness 7
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Marble Looks Like Quartzite But Soft Will Not
Scratch Glass

• Can vary in color reacts to HCl

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• End of mineral and rock review
• Try putting lots of rocks together in a stadium
  and play rock music loud. The result will be a
  rock concert.