
Polybasite
Preview
Historically important silver ore mineral. The pseudohexagonal tabular crystals with rhombic striation from Mexican localities (particularly the Chispas mine, Sonora) are highly sought by collectors. Forms a continuous series with pearceite (silver arsenic analogue). Associated with other silver sulfosalts including proustite and pyrargyrite.
Full guide details unlock after you sign in.
Sign in for full guide
