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Quartz (Var: Chalcedony)


Quartz (Var: Chalcedony) : SiO2
minID: G8W-5X2

Photo Copyright © Russell G. Rizzo & Cal Neva Mineral Company  - This image is copyrighted. Unauthorized reproduction prohibited.

Note: The mineral species Chalcedony is not listed in our database for this locality. This specimen may be misidentified or the mindat list of minerals at this locality may be incomplete.

Dimensions: 5.8 cm x 2.8 cm x 2.9 cm

These dramatic Chalcedony pseudomorphs after Anhydrite were collected over a period of 10 years by my friend Al Rose. This material has the distinction of being mentioned not once but twice in The Mineralogical Record's what's new in minerals. Not many of these were found and are much sought after by collectors of Arizona minerals as well as by pseudomorph collectors. There are very few of these specimens left and few of them are as good looking as this one is.
specimen size = 5.8 x 2.8 x 2.9 cm.

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Photo added: 22nd Mar 2008

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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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