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Quartz : SiO2
minID: NFJ-9YN

Photo Copyright © Rock Currier  - This image is copyrighted. Unauthorized reproduction prohibited.

Quartz var. amethyst. Specimen is from the collection of the British Museum of Natural History #91951 (1975). Scale at bottom of image is an inch with a rule at one cm.

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Photo added: 27th May 2010

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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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