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Muonionalusta Iron Meteorite $5 .925 silver proof.
Cook Islands issued this 2011 multi-colored coin as part of a continuing series of coins containing pieces of famous meteorites. Embedded in the coin is a piece of the Muonionalusta iron meteorite.
Mintage of just 2,500 pieces. The coin is sold out at the mint.
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|Country :||Cook Islands|
|Face Value :||5 Dollars|
|Metal :||.925 Silver|
|Weight :||25 g|
|Size :||38.61 mm|
|Mintage :||2,500 pcs. worldwide|
|Certificate of Authenticity :||Yes|
|Wooden Box :||No|
|Original ETUI box/case :||No|
The meteorite was first discovered by two boys in 1906 in Muonionalusta, which is located in northern Sweden. Since then many more pieces have been recovered.
The pieces of the meteorite display an unusual crystalline structure called Widmanstatten patterns. These unusual patterns are formed from the molten pieces of a planetary core that cool extremely slowly in the vacuum of space.
It has been estimated that it took about 1,000 years for these molten pieces of planetary core to cool by just 1 degree.
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