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Ships within 48 hours · Estimated delivery Aug 22 - Aug 27
Weight: 406 grams
Carter County
Slice and Polished on the front
Total weight: 103 grams
2 to 4 pieces per kg
MANGANESE NODULE (POLYMETALLIC), Pacific Ocean XMN011 Gemstone Bottles Weight: 406 gramsManganese Nodule (Polymetallic) Clarion Clipperton fracture zone Pacific Ocean Total Weight: 10. 18 grams Approximate dimensions: 27mm x 26mm x 21mm Comes in a membrane display box. Manganese nodules are found on the deep ocean floor. The nodules are mainly composed of iron and manganese oxide, but may also contain nickel, copper and cobalt. It is estimated that the nodules grow at an extremely slow rate of only a few millimetres per million years.
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