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July 26, 2014

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Pumpellyite, Quartz, Copper

Locality: St. Louis Mine Exploration, Laurium, Houghton Co., Michigan, USA

Posted by: Larry Maltby

Pumpellyite (FOV 3.5 mm). These are the typical radial clusters commonly found at this location. They are perched on pink quartz crystals in the center of a vesicle. Some of the quartz has copper inclusions.

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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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