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Amphibole Supergroup : AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2

Copyright © 2008, JGW
 
 
minID: 1GU-XMX

Amphibole Supergroup : AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2

Copyright © 2008, JGW  - This image is copyrighted. Unauthorized reproduction prohibited.

0.2 cm, longest crystal. Analysis needed to confirm identity. S412-014
Excalibur Mineral specimen.
Came with a label indicating this is "Magnesiohornblende", is possibly kaersutite.

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Photo added: 5th Feb 2008