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Actinolite : ☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2, Talc : Mg3(Si4O10)(OH)2

Copyright © Alan Goldstein
 
 
minID: 44G-E7D

Actinolite : ☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2, Talc : Mg3(Si4O10)(OH)2

Copyright © Alan Goldstein  - This image is copyrighted. Unauthorized reproduction prohibited.

Actinolite in talc, crystals to 5.5 cm. Obtained in 1994. Specimen 1636 in the collection of the photographer, Alan Goldstein.

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Photo added: 9th Jan 2005