MANGANESE NODULE (POLYMETALLIC), Pacific Ocean XMN023 CINNABAR ROUGH FREEFORM CINN00001 approx 18 cm x 13

approx 18 cm x 13 cm x 2 cm

Mooka Springs

Approximate dimensions: 5cm x 2cm x 1

Total weight: 748 grams

Fossil Plant

MANGANESE NODULE (POLYMETALLIC), Pacific Ocean XMN023 CINNABAR ROUGH FREEFORM CINN00001 approx 18 cm x 13Manganese 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.