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This Specimen has been sold.
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Gemmy, Yellow-Green Adamite Crystals - Durango, Mexico
This is a beautiful specimen of gemmy, yellow-green adamite crystals collected from the Ojuela Mine in Durango, Mexico. Adamite can be found protruding from within the limonitic matrix, formed from an aggregations of fanning adamite crystals. Calcite crystals can be found throughout this specimen as well.
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 & Calcite
LOCATION
Ojuela Mine, Mapimi, Durango, Mexico
SIZE
Matrix 1.9" long, 1.5" wide
CATEGORY
ITEM
#65321
