POTASSIUM FELDSPAR
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Luster: Nonmetallic |
Lab Book Description: |
Hardness: 6 |
Color orange, brown, white, green, or pink; Forms translucent prisms with subparallel exsolution lamellae; Cleavage excellent in two directions at nearly 90 degrees; SG = 2.5 to 2.6 |
Streak: White |
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Appears on these flash cards: hardness of > 5.5 (greater than 5.5); 2 planes of cleavage; used to make ceramics, enamel, and false teeth
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