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creating a beautiful contrast of textures and tones
used as an iron ore
that has a second generation of crystals that form atop the first generation crystals' prism faces
Magnesium is a silver-metallic mineral part of the metals family
it is mined for the production of sulphuric acid for the chemistry and fertilizer industry
Golden Fern Fossil | Pennsylvania matrix creating a beautiful contrast ofThis striking fossilized fern comes from the historic Pottsville Formation, dating back to the Pennsylvanian Period (~300 MYO) when vast coal swamps covered much of ancient Earth. The frond impressions display a rare golden coloration, caused by natural mineralization that highlights the delicate structure of the plant. This item is 10 x 6 and weighs 3 lbs 12 oz
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