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August 29, 2014

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Quartz (var: Smoky Quartz), Microcline

Locality: Mount Malosa, Zomba District, Malawi

Posted by: Aleksander Rečnik

Quartzes from Mt Malosa often have well developed bipyramidal and trapezohedral faces. On the photograph a rough trapezohedral faces on the left and right side of the square bipyramidal face indicate a Brazil twinning. Smoky quartz is grown on microcline plate. Detail 4 cm tall.

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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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Updated Mineral Entry: DatoliteFrom Uwe Kolitsch, 29th Aug 2014 06:53:33