Term
Streak=White Cleavage=3 Directions not at
Hardness=3 90 degrees
Luster=non-maetallic-glassy
Reacts to HCL
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Definition
Calcite |
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Term
Streak=None
Hardness=7
Cleavage=None with Conchoidal Fracture
Luster=non-metallic-glassy
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Definition
Quartz |
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Term
Color=Deep Reddish Purple (no streak)
Hardness=8
Cleavage=None with Conchoidal Fracture
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Definition
Garnet |
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Term
Color=Black with Greenish Black Streak
Hardness=6
Cleavage=2 not at 90
Luster=nonmetallic-glassy |
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Definition
Amphibole |
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Term
Color=Black with greenish black streak
Hardness=6
Cleavage=2 that meet at 90
Luster=nonmetallic-glassy |
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Definition
Pyroxene |
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Term
Color=Olive Green no streak
Hardness=6
Cleavage=None with Conchoidal fracture
Luster= nonmetallic-glassy
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Definition
Olivine |
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Term
Color=Silvery or Golden with thick sheets white streak
Hardness=3
Cleavage= one point of cleavage
Luster=nonmetallic-glassy
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Definition
Muscovite Mica |
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Term
Color=Brown or dark green brownish greenish streak
Hardness=2
Cleavage=1
Luster=nonmetallic-glassy
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Definition
Biotite Mica |
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Term
Color-Pinkish No Streak
Hardness-6
Cleavage-2 at 90
Luster-nonmetallic-glassy |
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Definition
Potassium (K) Feldspar |
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Term
Color-Whitish
Hardness-6
Cleavage-2 at 90
Luster-nonmetallic-glassy
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Definition
Sodium (Na) Feldspar |
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Term
Color-Dark Gray
Hardness-6
Cleavage-2 at 90
Luster-nonmetallic-glassy
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Definition
Calcium(Ca) Feldspar |
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Term
Color-Many Colors White Streak
Hardness-1
Cleavage-1 poor cleavage
Luster-nonmetallic pearly |
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Definition
Talc |
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Term
Color-Brass Yellow Dark Streak
Hardness-about 6
Cleavage-none Conchoidal Fracture
Luster-metallic |
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Definition
Pyrite |
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Term
Color-Green brass yellow with Dark streak
Hardness-4
Cleavage-None
Luster-metallic |
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Definition
Chalcopyrite |
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Term
Color-Brownish with yellow streak
Hardness-3.5-4
Cleavage-Many
Luster-metallic-nonmetallic
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Definition
Sphalerite |
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Term
Color-Dark Gray a dark streak
Hardness-5-6
Cleavage-3 at 90
Luster-Metallic |
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Definition
Galena |
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Term
Color-Red,Black,Silver Brown Streak
Hardness-5-6
Cleavage-None
Luster-Metallic |
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Definition
Hematite |
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