Calcite, Level 550 Block 1-South, 2nd Section Krushev dol Mine, Madan District, Bulgaria, Mined January 2016, Miniature 0.5 x 1.5 x 7.5 cm, $45. Online 3/23. SOLD.
Curvilinear spires of calcite showing stacked parallel growth of disk-like crystals along the c-axis. Lustrous with good form. Tiny cleave off one branch. From a unique find January 2016.