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RM1736   Octahedral fluorite with quartz

Kara-Oba W deposit, Betpakdala Desert, Karagandy, Kazakhstan

This octahedral green fluorite is perched on a druse of quartz, with window forms. It shows defined faces and slightly curved edges. Color is intense with transparence. On a matrix of feldspar. This is from a small tungsten mine that was worked intermittently in the past including by the Russian government as a source for tungsten back in the 1980s. Few good minerals came out, and fewer still in this size and quality.Fluorescent under LW-UV.

Size: 5.7 x 4.8 x 4.2 cm.
Main crystal: 24 x 22 mm.

Fluorescent under long wave UV