20hhgd.is ((CALCITE, SPHALERITE)), $100 minimum bid, Cumberland Mine, Smtih County, Tennessee, 8 x 7 x 5 cm, Cabinet | |
Lustrous Sphalerite crystals on a matrix of solid Sphalerite. Two small terminated transparent to translucent Calcite crystals with a pair of large transparent to translucent Calcite crystals. Calcite crystals are undamaged and sharp except the tip of the left termination of the large front crystal which is slightly cleaved. ex Glenn Davidson collection. ex Weinrich Minerals specimen. |