Cubanite, Siderite And Pyrrhotite From Morro Velho Mine, Minas Gerais, Brazil- Collectors Piece, Home Decor, Statement Piece Bag Purple Fluorite From Naica Mine

Cubanite, Siderite And Pyrrhotite From Morro Velho Mine, Minas Gerais, Brazil- Collectors Piece, Home Decor, Statement Piece Bag Purple Fluorite From Naica MineCubanite, Siderite And Pyrrhotite From Morro Velho Mine, Minas Gerais, Brazil Collectors Piece, Home Decor, Statement Piece Weight 50g Size 4. 5cm by 4cm Thickness 1. 5cm Cubanite is a copper iron sulphide mineral that commonly occurs as a minor alteration mineral in magmatic sulphide deposits. It has the chemical formula CuFe2S3 and when found, it has a bronze to brass yellow appearance. On the Mohs hardness scale, cubanite falls between 3. 5 and 4

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