Manganoan Calcite and Quartz, Krushev dol Mine, Madan District, Smolyan Oblast, Bulgaria, Mined 2013, Small Cabinet 5.5 x 6.5 x 9.3 cm, $350. Online 3/23.
'Clam shell' contact twin manganoan calcite in combination with transparent quartz. A light sugary druse adds lots of reflections and good contrast. Excellent condition. Mined 2013.