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Cassiterite, Quartz, Tourmaline


Cassiterite : SnO2, Quartz : SiO2, Tourmaline : A(D3)G6(T6O18)(BO3)3X3Z
minID: WPE-WCK

Photo Copyright © Bernie Millington  - This image is copyrighted. Unauthorized reproduction prohibited.
Dimensions: 4 inches x 4 inches x 3 inches

A photograph of an extremely rich specimen of Cassiterite from North Mine, of the Brimpts Tin Mine Sett, Dartmeet, Dartmoor, Devon. (SX 653751). Specimen measures approximately 4 x 4 x 3 inches and comprises of virtually solid fine grained dark brown Cassiterite in a minor Quartz and Tourmaline peach matrix. Specimen weighs 1.25k.

The specimen has been made wet to photgraph to ensure the Cassiterite can be seen. Without wetting even in bright sunlight the Cassiterite is difficult to see.

Specimen I would estimate consists of approximately 60% Cassiterite.

This photo has been shown 413 times

Photo added: 26th Sep 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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