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$30.00
當前出價
1
出價
關閉
20/07/2024 12:13 pm

18.4Grams Campo del Cielo Meteorite -Class IAB Iron Meteroite

1
725
0

存貨單位
NA 1692
尺寸(毫米)
26.400 x 17.200 x 14.400mm
重量 (cts)
0.100
Treatment
No Treatment
類型
Specimen
Shape
Freeform
顏色

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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mygems
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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  • jtgems
    jtgems
    積極的

    Remarkable wow and amazing

  • youngergirl44
    youngergirl44
    積極的

    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
    積極的

    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
    積極的

    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
    積極的

    Paid and shipped - no feedback left after 100 days

投標歷史 (1)
jtgems
之前從該賣家購買過
5 months ago
$29.00

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送貨細節

船運:
$16.00 21透過Registered Shipping計算天數
發貨自:
Australia

付款方式

  • paypal
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該賣家在Australia交易中加入了10.00%稅。

概述

列表類型 : Standard
產品編號 : 2305751
預計建議零售價 : $99.00
起拍價 : $29
開始 : 17th July 2024 04:47 pm PDT
結束 : 20th July 2024 12:13 pm PDT
* 所有價格均以:貨幣為單位