MANGANESE NODULE (POLYMETALLIC), Pacific Ocean XMN026 Lapis Lazuli Approximate dimensions: 32mm x 23mm

Approximate dimensions: 32mm x 23mm x 20mm

thanks to its shiny yellow crystals

Total weight: 440 grams

Each piece weighs approx

MANGANESE NODULE (POLYMETALLIC), Pacific Ocean XMN026 Lapis Lazuli Approximate dimensions: 32mm x 23mmManganese Nodule (Polymetallic) Clarion Clipperton fracture zone Pacific Ocean Total Weight: 2. 29 grams Approximate dimensions: 24mm 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.