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Crandallite : CaAl3(PO4)2(OH)5·H2O, Quartz : SiO2

Copyright © Sergei G. Epanchintsev collection & photo
 
 
minID: TKG-80A

Crandallite : CaAl3(PO4)2(OH)5·H2O, Quartz : SiO2

Copyright © Sergei G. Epanchintsev collection & photo  - This image is copyrighted. Unauthorized reproduction prohibited.

Acicular spherulites of beige crandallite (pseudomorphous after wavellite?) with limonite on quartz. Crandallite was analytically confirmed (microprobe analysis by Leonid Pautov). FOV is ~5x3 cm. Collected in 2008. Sergei G. Epanchintsev collection and photo.

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Photo added: 14th Jan 2010