15dm1160 ((OPALIZED FLUORITE BETRANDITE NODULE aka TIFFANY STONE)), FLUORESCENT, $30 MINIMUM BID, Monitor Pit, Brush Wellman Mine, Juab County, Utah, 16 x 13 x 5.5 cm, Cabinet | |
Here is a large specimen of Tiffany Stone which is the jewelry industry name. It is sawn and polished on one side. The Opal is fluorescent Green. ex Dennis McMurdie collection. |