Formula: (Cu,Zn,Fe²⁺)[Sn(OH)₆]

Species: Hydroxides

Colour: Brownish green to malachite-green, yellow-brown

Lustre: Vitreous

Hardness: 4 – 4½

Crystal System: Isometric

Member of: Schoenfliesite Subgroup > Non-stoichiometric Perovskites Group > Perovskite Supergroup

Name: Named after the type locality, the Mushiston Deposit where it was discovered around 1984.

Type Locality: Mushiston Deposit, Kaznok Valley, Pendzhikent District, Zeravshan Range, Sughd, Tajikistan