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Ships within 48 hours · Estimated delivery Jul 30 - Aug 4
5cm - 100g
From South of Paraburdoo
5cm x 3cm x 2cm - 26
This piece has some repairs
65 grams total weight
MANGANESE NODULE (POLYMETALLIC), Pacific Ocean XMN032 Rocks 5cm - 100gManganese 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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