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Ships within 48 hours · Estimated delivery Jul 29 - Aug 3
Total weight: 979 grams
4 cm x 4 cm x 1 cm approximately
9 cm approx
The base of the stand measures 160mm long and 150mm wide
MANGANESE NODULE (POLYMETALLIC), Pacific Ocean XMN021 Darwin Glass Total weight: 979 gramsManganese Nodule (Polymetallic) Clarion Clipperton fracture zone Pacific Ocean Total Weight: 3. 58 grams Approximate dimensions: 20mm x 16mm x 15mm 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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