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November 22, 2014

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44,626 mineral names (inc. synonyms, varieties, etc). 250,756 different localities. 627,573 member photos.

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Photo of the Day

Photo of the Day

Analcime, Thomsonite-Ca

Locality: Cyclopean Islands, Acitrezza (Aci Trezza), Etna Volcanic Complex, Catania Province, Sicily, Italy

Posted by: Volker Betz

Very clear Analcime crystals with frosted (211) trapezohedron faces and clear (100) cube faces. Small Thomsonite crystals are also present. Zeolite collection of Volker Betz.

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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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