MANGANESE NODULE (POLYMETALLIC), Pacific Ocean XMN038 Deep Sea Choosing your Crystal

Choosing your Crystal

Cryogenian/Ediacaran

Total Weight: 82

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MANGANESE NODULE (POLYMETALLIC), Pacific Ocean XMN038 Deep Sea Choosing your CrystalManganese Nodule (Polymetallic) Clarion Clipperton Fracture Zone Pacific Ocean Total Weight: 1. 66 grams Approximate dimensions: 17mm x 13mm x 10mm 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.