Grunerite
Penge Mine, Fetakgomo Tubatse Local Municipality, Sekhukhune District Municipality, Limpopo, South Africa
This is the infamous Amphibole Grunerite, a variety of Asbestos that is the cause of Mesothelioma, a disease that is caused by inhalation of the microscopic fibers of Grunerite. This material is also called Amosite, which is the fibrous variety of this material, of which the type locality is this mine.
This specimen is 10.2 x 3.2 x 1.2 ...
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