Home > Kalahari Manganese Field – March 18 > MS0908 Manjiroite

Manjiroite


Manjiroite is a rare sodium bearing manganese oxide. The mineral name honors Dr. Manjiro Watanabe, mineralogist and economic geologist at Tohoku University, Japan (Nambu & Tanida, 1967). Recently, Gutzmer & Beukes (2000) characterized certain asbestiform manganese minerals at the Smartt mine, and discovered locally abundant primary manjiroite. This is such a sample, showing compact fibrous manjiroite forming a band to 1.7 cm thick on braunite lutite matrix. Nice piece. Rare!

Price: $400

Item code: MS0908

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Manjiroite Manjiroite Manjiroite