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

Copyright © R. Bottrill 2006
 
 
minID: C30-7XC

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

Copyright © R. Bottrill 2006  - This image is copyrighted. Unauthorized reproduction prohibited.
Dimensions: 15 mm x 8 mm x 8 mm

A pale blue crystal of topaz, 15mm long. R. Bottrill collection and photograph.

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Photo added: 21st Jan 2007