9idocrs ((CALCITE on SPHALERITE on QUARTZ)), $10 MINIMUM BID, Taolin Mine, Yueyang Prefecture, Hunan Province, China, 7 x 4.5 x 3.5 cm, Cabinet, | |
Here is a specimen of Quartz with a gemmy undamaged Sphalerite crystal with an undamaged nail head Calcite crystal on the Sphalerite. ex H Delsinger collection. |