20hhgd.is ((CALCITE on SPHALERITE)), Fluorescent, $40 MINIMUM BID, Dalnegorsk, Dalnegorsk Urban District, Primorsky Krai, Russia, 4.5 x 4 x 3 cm, Miniature | |
Excellent lustrous undamaged Sphalerite with excellent undamaged Calcite from Russia. Calcite is also Fluorescent under UVSW with a red orange color. ex Glen Davidson collection. |