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Photo Copyright © John A. Jaszczak. All rights reserved.  - This image is copyrighted. Unauthorized reproduction prohibited.

This 10-micrometer wide star-shaped dendrite of graphite sits among a fine-grained crystalline overgrowth of graphite atop an earlier generation, 1-mm graphite crystal. The sample is from a pocket discovered in December 2007 associated with gem diopside, minor zeolite minerals, and micron-sized pyrite crystals. The micrograph was taken with a Hitachi S-4700 Field Emission Scanning Electron Microscope at Michigan Technological University.

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Photo added: 28th 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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