Interconnected Hornblende Crystals
John Betts - Fine Minerals
Several interconnected lustrous black Ferrohornblende crystals that were etched from surrounding Calcite. The surfaces of the Ferrohornblende crystals have irregular depressions indicating it formed simultaneously with the surrounding Calcite.
Bear Lake Diggings, Tory Hill, Ontario, Canada
23 x 22 x 19 mm.