Geology Mineral Identification Flashcards
Non-Metallic Luster, Light Color Harder Than Glass Cleavage Absent - Conchoidal fracture; H = 7; D = 2.65; transparent to translucent; vitreous luster; 6-sided prismatic crystals terminated by 6-sided triangular faces in well-developed crystals; vitreous to waxy; colors range from milky white, rose pink, and violet to smoky gray. - Quartz can also be classified as a darker color.
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