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Inorganics

Id Identification Type Name Description Distinguishing Features Tags
47 Mineral Quartz Transparent colorless; equant grains; cleavage absent. Grains larger than ~30um show higher order birefringence colors (dark orange, pink), while smaller grains appear white or gray in cross-polarized light. May appear pitted, or show opaque or reddish coatings visible in plane polarized or reflected light. May be well-rounded where aeolian or fluvial transport contributes. Common mineral in detrital sediments and rock fragments. Low-birefringence
Equant
silicate
Transparent
Colorless
Low-relief