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Adamite, Ojuela Mine, Mapimi, Durango, Mexico (No.158)

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Adamite, Ojuela Mine, Mapimi, Durango, Mexico (No.158)Adamite, Ojuela Mine, Mapimi, Durango, Mexico

Measurements Approx.
Height - 4 cm
Width - 2.4 cm
Length - 4.5 cm



Adamite is a zinc arsenate mineral, with an orthorhombic crystal structure, and it often occurs in radiated aggregates of fan-shaped rosettes.


 

The majority of specimens are an inch or less in diameter. It is usually a bright yellow-green colour, but it can also be honey-yellow, brown white, pale green, blue-green or colourless. It forms in oxidised parts of ore veins, especially arsenic-rich zinc deposits.


Most of the finest pieces of Adamite are from Mexico and Namibia.




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