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#143 Compressed Magnesio-Riebeckite from Bolivia

Alto Chapre, Bolivia

Fine compressed fibers of magnesio-riebeckite from Bolivia. This specimen is very slick, due to the immense pressure forced on the crystals, leading to fine micro-fibers. If you can understand that, you'll have proper respect for keeping it in a bag. 12.4 x 2.4 x 2 cm

Item #143