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Mule Mts, Riverside Co., California, USA

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Apatite, Opal : SiO2·nH2O

Opal Hill Mine, Mule Mts, Riverside Co., California, USA

Opal on apatite. 50x micro photo, field of view 1.75mm. Dionne collection, ex Milton Speckels collection.
 © Dick DionnePhoto ID: 13788    View Count: 483

Apatite

Opal Hill Mine, Mule Mts, Riverside Co., California, USA

Apatite crystal (fluorapatite?). 55x micro photo, field of view 1.6mm. Dionne collection, ex Milton Speckels collection.
 © Dick DionnePhoto ID: 14725    View Count: 401

Dachiardite : (Na,K,Ca·5)4(Al4Si20)O48·18H2O

Opal Hill Mine, Mule Mts, Riverside Co., California, USA

Dachiardite crystals with clinoptilolite. 75x micro photo, field of view 1.1mm. Dionne collection,ex Milton Speckels collection.
 © Dick DionnePhoto ID: 13986    View Count: 847
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