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Ships within 48 hours · Estimated delivery Jul 27 - Aug 1
This piece has some repairs
From South of Paraburdoo
The right cave weighs 220
5cm - 100g
5cm x 3cm x 2cm - 26
MANGANESE NODULE (POLYMETALLIC), Pacific Ocean XMN032 Rocks This piece has some repairsManganese 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.
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