20hhgd.is ((MANGANOAN CALCITE)), fluorescent $20 MINIMUM BID, Nikolayevskiy Mine, Dalnegorsk, Primorskiy Krai, Russia, 4 x 3 x 3 cm, Miniature | |
Rhombs of light pink Manganoan Calcite from Russia. These fluoresce red orange under UVSW light. ex Glenn Davidson collection. |