20hhgd.is ((HYALITE Opal on SCHORL with FELDSPAR)), FLUORESCENT, $30 MINIMUM BID, Erongo, Namibia, 4 x 3 x 2 cm, Miniature | |
A cluster of black Schorl crystals on Feldspar. The main Schorl crystal is heavily coated with Hyalite Opal which fluoresces green with UVSW light. ex Glenn Davidson collection, |