Sphalerite and Galena, Borieva Mine, Madan District, Bulgaria, Mined c. 2012, Miniature 4.0 x 7.0 x 7.0 cm, $65. Online January 30.
NSMW13141
Sphalerite on Quartz, Borieva Mine, Madan District, Bulgaria, Mined c. 2012, Miniature 3.0 x 4.5 x 7.5 cm, $85. Online January 30.
NSMW13138
Stilbite on Rhodochrosite with Chalcopyrite and Calcite, Davidkovo Mine, Madan District, Smolyan Oblast, Bulgaria, Mined c. 1960's, Robison Collection, Miniature 3.5 x 5.0 x 5.0 cm, $450. Online 3/9
NSMW12944
