MANGANESE NODULE (POLYMETALLIC), Pacific Ocean XMN038 Fairy 32 cm including chain

32 cm including chain

Approximate dimensions: 81mm x 74mm x 67mm

Approximate dimensions: 37mm x 23mm x 12mm

Approximate dimensions: 26cm x 16cm x 0

MANGANESE NODULE (POLYMETALLIC), Pacific Ocean XMN038 Fairy 32 cm including chainManganese 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.