Waterclear Calcite Crystals on Calcite - China

This is a simply exquisite plate of calcite crystals on a bed of whitish fluorescing calcite. The crystals fluoresce best under MW, and interestingly shift to a blue/wht color under LW. The crystals are almost water-clear, and have etched faces, sharp terminations. Very unusual specimen. I don' t have the exact locality in China; picked it up in Tucson and the dealer gave Chengzhou as the locality. Chengzhou is a city where the big mineral market is located - means nothing as far as the locality goes (pretty common for the Chinese dealers in Tucson).

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