Coparsite Mineral Data

General Coparsite Information
Chemical Formula:	Cu4O2[(As,V)O4]Cl
Composition:	Molecular Weight = 446.55 gm
	Vanadium 4.56 % V 8.15 % V₂O₅
	Copper 55.50 % Cu 69.47 % CuO
	Arsenic 10.07 % As 15.44 % As₂O₅
	Chlorine 8.73 % Cl 8.73 % Cl
	- % Cl -1.97 % -O=Cl₂
	Oxygen 21.14 % O
	______ ______
	100.00 % 99.82 % = TOTAL OXIDE
Empirical Formula:	Cu_3.9O_1.9(AsO₄)_0.6(VO₄)_0.4Cl_1.1
Environment:	Microscopic inclusions in euchlorine. Volcanic fumaroles.
IMA Status:	Approved IMA 1999 (Dana # Added)
Locality:	Found in the Yadovitaya (= poisonous) Fumarole in the North Breach of the Main Tolbachik fissure eruption of 1975-1976, Kamchatka Peninsula, Russia. Link to MinDat.org Location Data.
Name Origin:	The name recalls the mineral�s constituents: copper and arsenic.
Synonym:	IMA1996-064
	IMA1996-064a