Esperanzaite Image

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Esperanzaite

Large Esperanzaite Image

Mineral:

Esperanzaite: NaCa2Al2(As+++++O4)2F4(OH)·2(H2O)

Comments:

Pale blue-green botryoidal esperanzaite in rhyolite.

Location:

Mina La Esperanza, Durango, Mexico.

Scale:

See Photo.

Copyright:

© Jeff Weissman / Photographic Guide to Mineral Species

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