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Topaz : Al2(SiO4)(F,OH)2

Copyright © R. Bottrill
 
 
minID: GJF-362

Topaz : Al2(SiO4)(F,OH)2

Copyright © R. Bottrill   - This image is copyrighted. Unauthorized reproduction prohibited.
Dimensions: 30 mm x 20 mm x 20 mm

Topaz crystal ~30mm long. R Bottrill specimen and photo.

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Photo added: 29th Dec 2009