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25/11/2024 03:01 pm

14.88Grams Campo del Cielo Meteorite -Class IAB Iron Meteroite

1
636
3

存货单位
NA1630
尺寸(毫米)
23.900 x 15.900 x 9.500mm
重量 (cts)
0.100
Treatment
No Treatment
类型
Specimen
Shape
Freeform
颜色

Campo del Cielo Meteorites

These are meteorites that fell in Argentina.

Local Indigenous have records where the meteorite shower took place. It caused 26 craters, due to the impact in the area. The impact is estimated to have been 4,200 to 4,500 years ago.

In 1576, the governor of a province in northern Argentina commissioned the military to search for a huge mass of iron, which he had heard that natives used for their weapons

The average composition of the Campo del Cielo meteorites is 6.67% Ni, 0.43% Co, 0.25% P, 0.87% Ga, and 407 ppm Ge, with the remaining 92 to 97% being iron.

These were treated to prevent rust formation, but Campo del Cielo meteorites are up to 97% iron so they will rust if you do not take care of them.

To prevent rust formation you can keep them in a dry environment.

Certificate of Authenticity included

Fragments of Campo del Cielo come in a wide range of sizes from small specimens of just a few grams to much rarer big pieces of tens, and sometimes even hundreds, of kilograms.

A few specimens - mainly still domiciled in Argentina - have masses exceeding 1 tonne.

Many of the small ones, often sold as 'crystals', were once bigger specimens that were cooled down with liquid nitrogen and then shattered into smaller pieces.

The pieces shatter along their octahedral planes; this way the crystalline structure is revealed.

Sometimes they have flat surfaces where the natural crystal faces used to be.

Anyhow, the surfaces of these pieces are not formed during atmospheric flight.

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Registered Shipping折扣至$9.00 ,适用于包含2或更多商品的订单
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mygems
Introducing MyGems, your ultimate online destination for exquisite gems and minerals. With over two decades of trading expertise in Australia, we bring you a curated selection of the finest treasures from around the world. Explore our collection and indulge in the beauty of nature's creations, all at MyGems.
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  • youngergirl44
    youngergirl44
    积极的

    Quick shipping with FedEx to the US. The artifact is exactly as described. So cool to own a bit of history like this!

  • youngergirl44
    youngergirl44
    积极的

    Quick shipping with FedEx to the US. The stone has the polarization expected with real Iceland spar. I'm very happy with this purchase!

  • youngergirl44
    youngergirl44
    积极的

    Quick shipping with FedEx to the US. It was well packaged. The one I received did have a small crack and chip in the lip, but stuff like that is expected with a natural material like this. I'm happy with my purchase.

  • janetandjoel
    janetandjoel
    积极的

    Paid and shipped - no feedback left after 100 days

投标历史 (1)
ryanmerlin
之前从该卖家购买过
1个月前
$23.00

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概述

列表类型 : Standard
产品编号 : 2299965
预计建议零售价 : $79.00
起拍价 : $23
开始 : 13th November 2024 04:09 pm PST
结束 : 25th November 2024 03:01 pm PST
* 所有价格均以:货币为单位