- Domeykite, Algodonite
- Thumbnail, 2.5 x 2.3 x 1.9 cm
- Cashin Mine, Montrose Co., Colorado, USA
Domeykite and algodonite are rare copper, arsenic alloys and alloy-like compounds. This is an EXCELLENT, complete all-around thumbnail specimen with super, copper patina and nice form from the famous Cashin Mine of Colorado. SELDOM do you see domeykite with algodonite crystals in this sharpness. Rare, old-time material in this quality from the Carl Davis Collection.