20hhgd.is ((QUARTZ with CALCITE)), $30 MINIMUM BID, Madan, Smolyan, Bulgaria, 9 x 6.5 x 3 cm, Cabinet | |
A cluster of terminated large Quartz crystals with interrupted growth by thin sheets of Calcite crystals similar to Russion Bor Quarry specimens. ex Glenn Davidson collection, ex Weinrich Minerals specimen. |