Belloite Mineral Data

General Belloite Information
Chemical Formula:	Cu(OH)Cl
Composition:	Molecular Weight = 116.01 gm
	Copper 54.78 % Cu 68.57 % CuO
	Hydrogen 0.87 % H 7.76 % H₂O
	Chlorine 30.56 % Cl 30.56 % Cl
	- % Cl -6.90 % -O=Cl₂
	Oxygen 13.79 % O
	______ ______
	100.00 % 100.00 % = TOTAL OXIDE
Empirical Formula:	Cu(OH)Cl
Environment:	Secondary mineral in an abandoned mine associated with nitratine, paracamite. Unstable in humid environments. Converts in water to botallackite and atacamite.
IMA Status:	Approved IMA 1998 (Dana # Added)
Locality:	Sierra Gorda, Antofagasta, Chile. Link to MinDat.org Location Data.
Name Origin:	Named for Andres Bello (1780-1865), founder and first rector of the Universidad de Chile.
Synonym:	IMA1998-054