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Lab Practical (Minerals and Rocks)

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    • Galena
    • Luster: Metallic
    • Hardness: < 5.5
    • Streak: Dark Grey
    • Cleavage: 3 planes at 90°
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    • Graphite
    • Luster: Metallic
    • Hardness: < 5.5
    • Streak: Dark Grey
    • Cleavage: 1 plane at 90°
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    • Muscovite
    • Luster: Vitreous
    • Hardness: <5.5
    • Streak: faint
    • Cleavage: 1 plane at 90°
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    • Biotite
    • Luster: Vitreous
    • Hardness: <5.5
    • Streak: Faint
    • Cleavage: 1 plane at 90°
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    • Halite
    • Luster: Vitreous
    • Hardness: <5.5
    • Streak: faint
    • Cleavage: 3 planes at 90°
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    • Calcite
    • Luster: Vitreous
    • Hardness: <5.5
    • Streak: Faint
    • Cleavage: 3 planes not at 90°
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    • Dolomite
    • Luster: Vitreous
    • Hardness: <5.5
    • Streak: Faint
    • Cleavage: 2 planes at 90°
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    • Quartz
    • Luster: Vitreous
    • Hardness: >5.5
    • Streak: Faint
    • Cleavage: None
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    • Fluorite
    • Luster: Vitreous
    • Hardness: <5.5
    • Streak: Faint
    • Cleavage: 4 planes at 90°
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    • Garnet
    • Luster: Vitreous
    • Hardness: >5.5
    • Streak: Faint
    • Cleavage: None
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    • Hornblende
    • Luster: Vitreous
    • Hardness: >5.5
    • Streak: Faint
    • Cleavage: 2 planes not at 90°
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    • Chalcopyrite
    • Luster: Metallic
    • Hardness: <5.5
    • Streak: Dark Grey
    • Cleavage: None
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    • Pyrite
    • Luster: Metallic
    • Hardness: >5.5
    • Streak: Dark Grey
    • Cleavage: None
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    • Metallic Hematite
    • Luster: Metallic
    • Hardness: <5.5
    • Streak: Reddish Brown
    • Cleavage: None
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    • Hematite
    • Luster: Dull
    • Hardness: <5.5
    • Streak: Reddish Brown
    • Cleavage: None
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    • Magnetite
    • Luster: Dull
    • Hardness: >5.5
    • Streak: Grey
    • Cleavage: None
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    • Limonite
    • Luster: Dull
    • Hardness: <5.5
    • Streak: Yellow Brown
    • Cleavage: None
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    • Potassium Feldspar (K Feldspar)
    • Luster: Vitreous
    • Hardness: >5.5
    • Streak: Faint
    • Cleavage: 2 planes at 90°
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    • Plagioclase
    • Luster: Vitreous
    • Hardness: >5.5
    • Streak: Faint
    • Cleavage: 2 planes at 90°
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    • Olivine
    • Luster: Dull
    • Hardness: >5.5
    • Streak: Faint
    • Cleavage: None
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    • Augite
    • Luster: Vitreous
    • Hardness: >5.5
    • Streak: Faint
    • Cleavage: 2 planes not at 90°
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    • Gypsum
    • Luster: Pearly
    • Hardness: <5.5
    • Streak: White
    • Cleavage: 3 planes not at 90°
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    • Talc
    • Luster: Dull/Pearly
    • Hardness: <5.5
    • Streak: Faint
    • Cleavage: None
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    • Kaolinite
    • Luster: Dull
    • Hardness: <5.5
    • Streak: White
    • Cleavage: None
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    • Granite
    • Texture: Phaneritic
    • Composition: Felsic
    • Minerals: Quartz, K-Feldspar
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    • Diorite
    • Texture: Phaneritic
    • Composition: Intermediate
    • Minerals: Amphibole, Plagioclase Feldspar
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    • Gabbro
    • Texture: Phaneritic
    • Composition: Mafic
    • Minerals: Pyroxene, Plagioclase Feldspar
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    • Periodite
    • Texture: Phaneritic
    • Composition: Ultramafic
    • Minerals: Olivine, Pyroxene
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    • Rhyolite
    • Texture: Aphanatic
    • Composition: Felsic
    • Minerals: Quartz, K-Feldspar
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    • Andesite
    • Texture: Aphanatic
    • Composition: Intermediate
    • Minerals: Amphibole, Plagioclase Feldspar
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    • Basalt
    • Texture: Aphanatic
    • Composition: Mafic
    • Minerals: Pyroxene, Plagioclase Feldspar
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    • Granite Porphyry
    • Texture: Porphyritic
    • Composition: Felsic
    • Minerals: Quartz, K-Feldspar
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    • Andesite Porphyry
    • Texture: Porphyritic
    • Composition: Intermediate
    • Minerals: Amphibole, Plagioclase Feldspar
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    • Basalt Porphyry
    • Texture: Porphyritic
    • Composition: Mafic
    • Minerals: Pyroxene
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    • Obsidian
    • Texture: Glassy
    • Composition: Felsic
    • Minerals: Quartz, K-Feldspar
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    • Scoria
    • Texture: Vesicular
    • Composition: Intermediate
    • Minerals: Amphibole, Plagioclase Feldspar
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    • Pumice
    • Texture: Vesicular
    • Composition: Felsic
    • Minerals: Quartz, K-Feldspar
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    • Tuff
    • Texture: Pyroclastic
    • Composition: Felsic
    • Minerals: Quartz
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    • Volcanic Breccia
    • Texture: Pyroclastic
    • Composition: Mafic
    • Minerals: Pyroxene, Plagioclase Feldspar
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    • Conglomerate
    • Origin: Detrital
    • Texture: Clastic
    • Other Properties: Rounded Gravel Clasts
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    • Breccia Sedimentary
    • Origin: Detrital
    • Texture: Clastic
    • Other Properties: Angular Gravel Clasts
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    • Arkose
    • Origin: Detrital
    • Texture: Clastic
    • Other Properties: Pink Gritty
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    • Quartz Sandstone
    • Origin: Detrital
    • Texture: Clastic
    • Other Properties: Gritty
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    • Graywacke
    • Origin: Detrital
    • Texture: Clastic
    • Other Properties: Sand and Mud
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    • Siltstone
    • Origin: Detrital
    • Texture: Clastic
    • Other Properties: Soft
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    • Shale
    • Origin: Detrital
    • Texture: Clastic
    • Other Properties: Fissle edges, splits into layers
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    • Claystone
    • Origin: Detrital
    • Texture: Clastic
    • Other Properties: Powdery
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    • Limestome
    • Origin: Biochemical
    • Texture: Non-Clastic
    • Other Properties: Scratches with Nails
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    • Micrite
    • Origin: Biochemical
    • Texture: Non-Clastic
    • Other Properties: Conchoidal fracture, microcrystalline
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    • Fossiliferous Limestone
    • Origin: Biochemical
    • Texture: Clastic
    • Other Properties: Contains fossils
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    • Travertine
    • Origin: Biochemical
    • Texture: Non-Clastic
    • Other Properties: Cavities & Pores
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    • Coquina
    • Origin: Biochemical
    • Texture: Clastic
    • Other Properties: Shell Fragments
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    • Oolithic Limestone
    • Origin: Biochemical
    • Texture: Clastic
    • Other Properties: Spherical grains
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    • Chalk
    • Origin: Biochemical
    • Texture: Clastic
    • Other Properties: Silty, compromised of microscopic shells
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    • Dolostone
    • Origin: Biochemical
    • Texture: Non-Clastic
    • Other Properties: Only reactive with Hcl when powdered
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    • Ironstone
    • Origin: Biochemical
    • Texture: Non-Clastic
    • Other Properties: Iron-Rusty
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    • Chert
    • Origin: Biochemical
    • Texture: Non-Clastic
    • Other Properties: Conchoidal fracture, very smooth
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    • Agate
    • Origin: Biochemical
    • Texture: Non-Clastic
    • Other Properties: Many layers, evaporate
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    • Rock Salt
    • Origin: Biochemical
    • Texture: Non-Clastic
    • Other Properties: Visible Crystals
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    • Rock Gypsum
    • Origin: Biochemical
    • Texture: Non-Clastic
    • Other Properties: Soft Visible Crystals
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    • Peat
    • Origin: Biochemical
    • Texture: Clastic
    • Other Properties: Visible Plant Fragments
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    • Lignite
    • Origin: Biochemical
    • Texture: Clastic
    • Other Properties: Brittle
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    • Bituminous Coal
    • Origin: Biochemical
    • Texture: Clastic
    • Other Properties: Black, brittle rock
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    • Slate
    • Foliation / Degree of Change: Yes, first degree
    • Texture: Fine-crystalline
    • Other Properties: Hard, flat sheets
    • Parent Rocks: Mudstone or Shale
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    • Phyllite
    • Foliation / Degree of Change: Yes, second degree
    • Texture: Fine-crystalline
    • Other Properties: Wavy and shiny
    • Parent Rocks: Slate
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    • Quartzite
    • Foliation / Degree of Change: No
    • Texture: Fine-crystalline
    • Other Properties: Quartz-crystalline
    • Parent Rocks: Quartz Sandstone
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    • Marble
    • Foliation / Degree of Change: No
    • Texture: Coarse-crystalline
    • Other Properties: Coarsely crystalline
    • Parent Rocks: Limestone or Dolostone
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    • Garnet or Mica Schist
    • Foliation / Degree of Change: Yes, third degree
    • Texture: Coarse-crystalline
    • Other Properties: Garnet crystals
    • Parent Rocks: Phyllite
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    • Soapstone
    • Foliation / Degree of Change: No
    • Texture: Coarse-crystalline
    • Other Properties: Fine to coarse crystalline
    • Parent Rocks: Talc
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    • Gneiss
    • Foliation / Degree of Change: Yes, fourth
    • Texture: Coarse-crystalline
    • Other Properties: Alternating dark and light layers
    • Parent Rocks: Schist
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    • Anthracite Coal
    • Foliation / Degree of Change: No
    • Texture: Glassy
    • Other Properties: Shiny, dark grey to black 
    • Parent Rocks: Peat, Lignite, bituminous coal
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    • Migmatite
    • Foliation / Degree of Change: Yes, fifth degree
    • Texture: Coarse-crystalline
    • Other Properties: Light and dark bends
    • Parent Rocks: Gneiss, partially melted magma
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    • Hornfels
    • Foliation / Degree of Change: No
    • Texture: Fine-crystalline
    • Other Properties: Fine grained, dark color
    • Parent Rocks: Any
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    • Amphibole
    • Foliation / Degree of Change: No
    • Texture: Coarse-crystalline
    • Other Properties: Might be foliated
    • Parent Rocks: Basalt or Gabbro
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    • Metaconglomerate
    • Foliation / Degree of Change: No
    • Texture: Gravel-crystalline
    • Other Properties: Parent rock easily recognizable
    • Parent Rocks: Conglomerate
Author
irivladp
ID
363274
Card Set
Lab Practical (Minerals and Rocks)
Description
Updated

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