Study Guide for Quiz 1
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Qualities of a Mineral | Inorganic, Naturally Formed, Solid, Specific Chemical Composition, Crystalline Structure | |
Hardness of Talc | 1 | |
Hardness of Gypsum | 2 | |
Hardness of Calcite | 3 | |
Hardness of Fluorite | 4 | |
Hardness of Orthoclase Feldspar | 6 | |
Hardness of Quartz | 7 | |
Mineral With a Hardness of 1 | Talc | |
Mineral With a Hardness of 2 | Gypsum | |
Mineral With a Hardness of 3 | Calcite | |
Mineral With a Hardness of 4 | Fluorite | |
Mineral With a Hardness of 6 | Orthoclase Feldspar | |
Mineral With a Hardness of 7 | Quartz | |
Fracture | Uneven break of a mineral | |
Types of Fractures | Uneven, Conchoidal | |
Conchoidal Fracture | "Ripple-like Pattern", Tends To Be Smooth | |
Types of Lusters | Metallic, Glassy, Earthy/Dull, Pearly | |
Minerals With 1 Direction of Cleavage | Biotite, Muscovite | |
Minerals With 2 Directions of Cleavage | Pyroxene, Amphibole, Orthoclase, Plagioclase | |
Minerals With 3 Directions of Cleavage | 90 Degrees: Halite, Galena Not at 90 Degrees: Calcite, Dolomite, Gypsum | (revised) |
Minerals With 4 Directions of Cleavage | Fluorite | |
Minerals With Irregular Cleavage | Chlorite | |
Phaneritic Felsic Igneous Rock | Granite | |
Phaneritic Intermediate Igneous Rock | Diorite | |
Phaneritic Mafic Igneous Rock | Gabbro | |
Aphanitic Felsic Igneous Rock | Rhyolite | |
Aphanitic Intermediate Igneous Rock | Andesite | |
Aphanitic Mafic Igneous Rock | Basalt | |
Vesicular Felsic Igneous Rock | Pumice | |
Vesicular Mafic Igneous Rock | Scoria | |
Glassy Felsic Igneous Rock | Obsidian | |
Porphyritic Mafic Igneous Rock | Porphyritic Basalt | |
Types of Sedimentary Rocks | Dentrital, Organic, Chemical | |
Dentrital, Pebble-Sized Grains | Conglomerate & Breccia | |
Dentrital, Sand-Sized Grains | Quartz Sandstone & Arkose Sandstone | |
Dentrital, Silt-Sized Grains | Siltstone | |
Dentrital, Clay-Sized Grains | Shale | |
Organic Sedimentary Rocks | Fossiliferous Limestone, Chalk, Coal | |
Chemical Sedimentary Rocks | Oolite Limestone, Rock Salt, Chert | |
Rocks with CaCo3 | Fossiliferous Limestone, Oolite Limestone, Chalk, Calcite, Dolomite | |
__________ must be powdered in order to effervesce. | Dolomite | |
Quartz, Obsidian, and Chert all have ____________. | Conchoidal Fracture |
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