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Ships within 48 hours · Estimated delivery Jul 28 - Aug 2
Approximate dimensions: 8
approx 18 cm x 13 cm x 2 cm
Total weight: 748 grams
Photo for illustration purpose as each piece is unique and picked for you
Mooka Springs
MANGANESE NODULE (POLYMETALLIC), Pacific Ocean XMN023 CINNABAR ROUGH FREEFORM CINN00001 Approximate dimensions: 8Manganese 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.