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Quartz, Montmorillonite

Quartz : SiO2, Montmorillonite : (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2·nH2O
minID: 39E-8K3

Photo Copyright © Rob Lavinsky & irocks.com  - This image is copyrighted. Unauthorized reproduction prohibited.
Dimensions: 5.9 cm x 4.5 cm x 2.7 cm

The quartz crystals in this cluster, sharp and lustrous, contain inclusions of montmorillonite (Hydrated Sodium Calcium Aluminum Magnesium Silicate Hydroxide), giving them a creamy and very slightly pinkish tone. This is an old piece from the White Queen Mine. The crystals show a fine glassy luster. 5.9 x 4.5 x 2.7 cm

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Photo added: 8th Nov 2005

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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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