
Strashimirite (Weight: 10.51 g) – Place of discovery: Novoveska Huta, Slovakia — Photo: Raimond Spekking · CC BY-SA 4.0
Strashimirite
A rare monoclinic copper arsenate discovered in 1960 at Bulgaria's Zapachitsa copper deposit.
Intro adapted from Wikipedia (CC BY-SA).
Strashimirite is an IMA-recognized mineral species in the arsenate class, with the chemical formula Cu₄(AsO₄)₂(OH)₂·2.5H₂O.
It crystallizes in the monoclinic crystal system.
Key properties: specific gravity 3.67; Pearly to greasy luster; optically biaxial.
IMA symbol Ssh, IMA status: approved, named in 1967.
Found as a secondary mineral in the oxidation zone of Cu–As-bearing mineral deposits.
It is found associated with Tyrolite, cornwallite, clinoclase, euchroite, olivenite, parnauite, goudeyite, arthurite, metazeunerite, chalcophyllite, cyanotrichite, scorodite.
The mineral was named to honor Strashimir Dimitrov, Bulgarian petrographer.