General formula: 
	Cu2O
N° standard / mount: 39 / MAC
	Standard elements: Cu 
	Mineral class: Oxides
	
	
	Locality: Rubtsovskoe Mine, Altaiskii Krai, Siberia, RUSSIA
	Comments: 
	
	
	This sample presents cracks and wrenchings.
Cu2O
This sample presents cracks and wrenchings.