Fluorite from Rogerley Mine, Weardale, County Durham, England
From Rogerley Mine, County Durham, England
Transparent cubic cluster with several interpenetrate-twinned crystals of blue to emerald green fluorite with no matrix attached. The crystals have smooth lustrous faces with sharp terminations. Also fluorescence under uv light as shown in the last images.
352.6 grams, 4.5 x 2.5 x 2.5 inches