Iddingsite Image

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Iddingsite

Mineral:

Iddingsite: MgO.Fe2O3.3SiO2·4(H2O)

Comments:

Red iddingsite with green olivine. Iddingsite alteration of olivine commonly seen in thin-sections is actually a fine-grained mixture of goethite+quartz+chlorite.

Location:

Amboy, San Bernadino County, California, USA.

Scale:

Specimen Size 5x5x3 cm.

Copyright:

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