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Inside Diameter - 6cm before stretching
objectivity
This is a Genuine and Rare Fossil Mammoth Bone
Dyed Onyx Crystal Angel
Weight: 400 grams
MANGANESE NODULE (POLYMETALLIC), Pacific Ocean XMN023 Kamererite Inside Diameter - 6cm beforeManganese Nodule (Polymetallic) Clarion Clipperton fracture zone Pacific Ocean Total Weight: 4. 18 grams Approximate dimensions: 25mm x 19mm x 12mm 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.