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These Barite Sand Concretions from Morocco
5“ x 1“ and weighs 1
merchant's stone
creating a dramatic and highly displayable specimen
Sphalerite is a part of the sulfide group and typically exhibits a grey/black appearance due to high concentrations of impurities
Native Copper | Michigan shark teeth These Barite Sand Concretions fromThis slab of native copper comes from Michigans Upper Peninsula, a region famous for producing some of the highest quality copper specimens in the world. The piece displays classic metallic luster, natural reddish brown tones, and distinct growth patterns preserved within the copper mass. Michigan copper formed when hydrothermal fluids deposited pure native copper within basalt flows, creating impressive masses like this one. A substantial and
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