RE87H0: A nice group of lenticular crystals with scaled surface, very typical of the historic find in the American Tunnel mine. They are partially covered by micro-crystals of Quartz and their color and luster are magnificent.
Sunnyside Mine group (American Tunnel Mine), Bonita Peak, Gladstone, Eureka District, San Juan County, Colorado  USA (±1966)

Specimen size: 2.8 × 2.6 × 1.9 cm = 1.10” × 1.02” × 0.75”

Main crystal size: 1.2 × 0.6 cm = 0.47” × 0.24”