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coral-like structures called flos-ferri
and sedimentary rocks
Under ultraviolet illumination the mineral sodalite will fluoresce
Stromatolites are layered colonial sedimentary structures predominantly formed by photosynthetic microorganisms
Native Copper | Michigan druzy coral-like structures called flos-ferriThis 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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