Coquimbite Image

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Coquimbite

Large Coquimbite Image

Mineral:

Coquimbite: Fe+++2(SO4)3·9(H2O)

Comments:

Coquimbite rosettes (small bumps) secondarily nucleated on a cryptocrystalline mass. AmMin, v90, p1734.

Location:

Vents associated with underground coal fires in the Wuda coal bed of Inner Mongolia.

Scale:

See Image.

Copyright:

© American Mineralogist

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