Term
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Definition
#2 Anthracite Coal
Texture: Non-Foliated
Black glossy rock that breaks uneven or conchodial fractures |
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Term
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Definition
#11 Gneiss
Texture: Foliated
Alternating bands of light and dark minerals |
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Term
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Definition
#6 Hornfels
Texture: Non-Foliated
Dark dull color, very hard |
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Term
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Definition
#8 Marble
Texture: Non-Foliated
Calcite crystals of nearly equal sized
Reacts with HCL |
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Term
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Definition
#5 MetaConglomerate
Texture: Non-Foliated
Pebbles may be stretched or cut by rock cleavage |
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Term
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Definition
#10 Phyllite
Texture: Foliated
Breaks along wrinkled or wavy foliation surfaces |
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Term
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Definition
#3 Quartzite
Texture: Non-Foliated
Quartz grains fused together
Usually light colored |
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Term
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Definition
#1 Schist (Garnet)
Texture: Foliated
Visible sparkly crystals of platy minerals
Breaks along scaly foliated surfaces |
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Term
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Definition
#4 Slate
Texture: Foliated
Dull luster, dark colored
Breaks into hard flat sheets |
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