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Dimension (specimen only): 4
Fine granular pyrite grains line up inside the crystal core
They lived over 480 million years ago
this calcite shows natural fluorescence due to manganese impurities
Octahedron De'an fluorite and quartz from De'an fluorite Mine
Triangular UV Calcite with stand 2 miner Dimension (specimen only): 4From Hunan, China. It shows a distinct triangular fluorescence under short wave UV. Dimension : 254. 4cm FREE shipping worldwide, shipping time 15 25 days. Order confirmation email will be sent to your after placing the order, tracking number will be sent to you once package is shipped. For more details, read "Shipping" page.