TFR46AO0: Doubly terminated scalenohedral Calcite crystal, translucent, white and with abundant reddish native Copper inclusions. One of the most desired American classics, in this case with a peculiarity, the growth of a second generation of small, very white Calcite crystals that give the piece a rather peculiar appearance.
The specimen has been photographed and published in the magazine ‘Paragénesis’, number 01/2022, page 73
Quincy Mine, Hancock, Houghton County, Michigan  USA

Specimen size: 7.6 × 3.7 × 2.6 cm = 2.99” × 1.46” × 1.02”