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Inorganics

Id Identification Type Name Description Distinguishing Features Tags
13 Mineral Palagonite
164 Lithofacies Peat
52 Mineral Phillipsite zeolite
111 Mineral Pirssonite
54 Mineral Plagioclase Plagioclase is a term for feldspars in the Na-Ca solid solution series. Without twinning patterns, there is no way to tell a difference between Na-Ca feldspars and K-feldspars (microcline and orthoclase). lamellar-twinning
low-birefringence
silicate
149 Contaminant Polycarb Large Fragment contaminant
150 Contaminant Polycarb Small Fragment contaminant
5 Mineral Pyrite Opaque (black). Yellow in reflected light. Pleochroism and birefringence not applicable. Euhedral, framboidal, space-filling shapes. May coat or replace organic matter. Occurs in organic-rich or reduced sediments. Common in lacustrine, wetland, estuarine, and marine environments. Opaque
euhedral
Cubic
Octahedral
Framboidal
sulfide
138 Mineral Pyroxene silicate