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Calcite v. Manganoan, Quartz$225.00
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Manganoan Calcite is a variety of calcite rich in manganese, which gives the mineral a pink color. This specimen features dozens of thin, “disk shaped” crystals of Manganoan Calcite stacked on top of each other like poker chips. Associated with the manganoan calcite is lustrous, colorless, clear prismatic quartz crystals. This specimen is from the prolific producing locality of the Huanggang Mine in Inner Mongolia, China. Interestingly, manganoan calcite is strongly fluorescent under exposure to ultraviolet light. When fluorescing, the calcite is a very bright, orange-red color.
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