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white-to-colorless orthorhombic polymorph of calcium carbonate often found in radiating
25" and weighs 9
75“ and weighs
They are the oldest living fossil
Often associated with truth
Bornite ”Peacock Ore” aluminum white-to-colorless orthorhombic polymorph of calciumBornite is a copper iron sulfide mineral also known as peacock ore for its striking iridescent tarnish (blues, purples, reds) that develops on its fresh bronze brown surface as it oxidizes, making it an important copper ore, found in hydrothermal deposits, valued for copper extraction, and identified by its unique color change and metallic luster. This item is 2 x 2 and weighs 5 oz.
US$ 72.00
US$ 70.00
US$ 31.72
US$ 150.00
US$ 58.50
