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This specimen comes from Missouri
white-to-colorless orthorhombic polymorph of calcium carbonate often found in radiating
5” x 2” and weighs 5
25" and weighs 9
This specimen features translucent
Bornite ”Peacock Ore” aluminum This specimen comes from MissouriBornite 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$ 20.00
US$ 54.00
US$ 28.99
US$ 25.00
US$ 25.99
