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Narrow down Mexican bournonite

Posted by Jean-Francois Carpentier

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Jean-Francois Carpentier

Narrow down Mexican bournonite
April 08, 2012 05:51PM

Registered: 7 years ago
Posts: 105

Hi
Can anyone help me narrowing down the origin of this Mexican bournonite. It is said to come from Zacatecas, but this is a large district....
it is associated with quartz and calcite on a matrix made of sphalerite and pyrite. It was initially purchased in Arizona in the 1980s. The bournonite crystal is ca. 15 mm long.

Photo030copie.jpg

Photo036.jpg

thanks

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Dennis Beals

Re: Narrow down Mexican bournonite
May 05, 2012 05:01PM

Registered: 5 years ago
Posts: 58

Hi,
The most likely source for this is Concepcion del Oro, Zacatecas.
Dennis

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