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Alpersite Image

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Large Alpersite Image

Mineral: Alpersite: (Mg,Cu)SO4ยท7H2O
Comments: Bright blue efforescence associated with pickeringite, alunogen, and epsomite. Pickeringite and alunogen (white and yellow) occur on top of a matte of alpersite (blue) adjacent to a concrete wall.
Location: Big Mike mine, Nevada.
Scale: Picture size 50 cm.
Copyright: © American Mineralogist
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