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This Specimen has been sold.
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Gemmy, Yellow-Green Adamite Crystals - Tooele County, Utah
This is a beautiful specimen of gemmy, yellow-green adamite crystals collected from the Gold Hill Mine in Utah. Adamite crystal clusters can be found on top of the orange limonitic matrix.
About Adamite
Adamite is a basic zinc arsenate with the base chemical formula of Zn2(AsO4)(OH). When impurities are present in the mineral, the color is altered, explaining the wide variety of colors that adamite displays. Copper and cobalt are some well-known impurities that can give mineral specimens a green (Cu) to pink/red (Co) color. Adamite is typically found imbedded in a limonite matrix, formed as a secondary mineral in oxidation zones of hydrothermal replacement deposits.
Adamite is a basic zinc arsenate with the base chemical formula of Zn2(AsO4)(OH). When impurities are present in the mineral, the color is altered, explaining the wide variety of colors that adamite displays. Copper and cobalt are some well-known impurities that can give mineral specimens a green (Cu) to pink/red (Co) color. Adamite is typically found imbedded in a limonite matrix, formed as a secondary mineral in oxidation zones of hydrothermal replacement deposits.
SPECIES
Adamite
LOCATION
Gold Hill Mine, Tooele County, Utah
SIZE
Matrix 1.7" long, 1.4" wide
CATEGORY
ITEM
#52372
