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Howieite


Howieite : Na(Fe,Mn)10(Fe,Al)2Si12O31(OH)13

Photo Copyright © Paul Bongaerts  - This image is copyrighted. Unauthorized reproduction prohibited.
Locality: Laytonville quarry, Laytonville, Mendocino Co., California, USA
size 7x7cm .
Paul Bongaerts specimen and photograph

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