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which represents grounding
Elite Shungite in natural form chips
Total weight: 147 grams
Weight: 697 grams
5 x 2 cm approx
MANGANESE NODULE (POLYMETALLIC), Pacific Ocean XMN028 Shark Bay which represents groundingManganese Nodule (Polymetallic) Clarion Clipperton fracture zone Pacific Ocean Total Weight: 2. 83 grams Approximate dimensions: 17mm x 16mm x 13mm 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.
US$ 88.00
US$ 130.00
US$ 88.00