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Amphibole Supergroup (Var: Uralite)

Amphibole Supergroup (Var: Uralite) : AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
minID: A1M-27N

Photo Copyright © Rob Lavinsky & irocks.com  - This image is copyrighted. Unauthorized reproduction prohibited.
Dimensions: 17.2 cm x 11.6 cm x 9.8 cm

17.2 x 11.6 x 9.8 cm. This large cabinet specimen comes with a Gary Hansen label. It is a rich example of Colorado uralite, the name given pseudomorphs of hornblende group minerals, mainly actinolite, after a pyroxene group mineral. Here, you have blocky actinolite pseudomorphs after diopside crystals, richly covering the whole side of the specimen. The crystals measure to 1.5 cm. Hard to find on the market now!

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Photo added: 8th Aug 2007

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Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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