Corundum, Biotite

Corundum : Al₂O₃, Biotite

Locality: Unnamed Corundum Occurrences, San Jacinto Mountains, Riverside Co., California, USA

A natural grayish purple corundum crystal in schist matrix; from the San Jacinto Mountains, Riverside County, California, USA. Meticulously repaired specimen measures approximately 170x70x52mm. Produced by Gochenour Mining, circa 1999. Courtesy Pala International, Fallbrook, San Diego County, California.

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Copyright © Jolyon Ralph and Ida Chau 1993-2009. 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. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 28th Nov 2009 04:05:24

Corundum, Biotite

Corundum : Al2O3, Biotite

Corundum : Al₂O₃, Biotite