Calcite

Locality: Minerva No. 1 Mine (Ozark-Mahoning No. 1 Mine) Ozark-Mahoning Group, Cave-in-Rock Sub-District, Illinois - Kentucky Fluorspar District, Hardin Co., Illinois, USA

A silky and lustrous example of Calcite from the famed Fluorite mines of Illinois. The best, and my favorite, feature of this large and showy specimen is the way the Calcite has crystallized in the form of many wheat-sheaf-like bundles. Top-quality Calcites from this location are all but impossible to find these days, as the mines have been closed for almost a decade now.
specimen size = 14 x 6.7 x 3.4 cm.

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Photo added: 21st Dec 2007

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Copyright © Jolyon Ralph and Ida Chau 1993-2012. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the 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 hundreds 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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