CALCITE
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Luster: Nonmetallic |
Lab Book Description: |
Hardness: 3 |
Usually colorless, white, or yellow, but may be green, brown, or pink; Opaque or transparent; Excellent cleavage in 3 directions not at 90 degrees; Forms prisms, rhombohedrons, or scalenohedrons that break into rhombohedrons; Effervesces in dilute HCl; SG = 2.7 |
Streak: White to pale gray |
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Appears on these flash cards: vitreous luster; rhombic or rhombohedral cleavage; used to make antacid tablets and cement
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