MANGANESE NODULE (POLYMETALLIC), Pacific Ocean XMN032 Cube Larimar Bead Bracelet

Larimar Bead Bracelet

16 x 15 x 2

Approximate dimensions: 37mm x 36mm x 16mm

Specimen 3: 4cm x 2cm x 2cm - 20g

MANGANESE NODULE (POLYMETALLIC), Pacific Ocean XMN032 Cube Larimar Bead BraceletManganese Nodule (Polymetallic) Clarion Clipperton Fracture Zone Pacific Ocean Total Weight: 2. 2 grams Approximate dimensions: 21mm x 12mm x 11mm 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.