MANGANESE NODULE (POLYMETALLIC), Pacific Ocean XMN023 CINNABAR ROUGH FREEFORM CINN00001 Approximate dimensions: 5cm x 2cm

Approximate dimensions: 5cm x 2cm x 1

Photo for illustration purpose as each piece is unique and picked for you

Mooka Springs

5 cm x 8 cm x 1

Fossil Plant

MANGANESE NODULE (POLYMETALLIC), Pacific Ocean XMN023 CINNABAR ROUGH FREEFORM CINN00001 Approximate dimensions: 5cm x 2cmManganese 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.