Calcite on Sphalerite, Borieva Mine, Madan District, Bulgaria, Mined c. 2012, Small Cabinet 5.3 x 6.3 x 9.2 cm, $85. Online January 30.
A cluster of creamy gray "wheat sheaf" shaped calcite on lustrous black sphalerite matrix. Classic Madan calcite. Minor edge rubs on a few calcites.