Iddingsite Image
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Mineral News
was founded some twenty years ago and has developed a following of
avid mineral collectors seeking
timely information
about new finds and other items
of interest to the collector community. Articles are solicited from collector and scientific authors.
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:
©
John Betts - Fine Minerals
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