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Gypsum (Var: Selenite)

Gypsum (Var: Selenite) : CaSO4·2H2O
minID: E52-2D1

Photo Copyright © Rob Lavinsky & irocks.com  - This image is copyrighted. Unauthorized reproduction prohibited.
Dimensions: 18 cm x 14 cm x 13 cm

18 x 14 x 13 cm. This selenite, from a new find at Naica, really stunned me. The crystals are huge and sharp, absolutely water clear, and the piece is just...dramatic. Weighing in at 5.7 pounds, this is a monster of a specimen and also of high quality. The piece is starkly 3-dimensional and it seems impossible it could have been mined underground and then safely shipped up here without damage but it is in fact pristine and complete all around. The doubly-terminated crystal on the right is 17 cm. These crystals are 5-6 cm thick and you can see right through them with no problems.

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Photo added: 30th Jan 2009

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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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