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$37.00 USD
預計建議零售價:rrp
525
0

NWA 7401, Enstatite EL melt rock,Sliced section 20.98 Grams

存貨單位
MEI 232
尺寸(毫米)
59.000 x 37.000 x 4.700mm
重量 (cts)
1.000
Treatment
No Treatment
類型
Rough
顏色

The meteorite is petrographically paired to NWA 7401, Enstatite EL melt rock.

Only 2% Meteorites falling to earth are Enstatite chondrite

The meteorite rock shows radial pyroxenes chondrules, matrix composed of orthopyroxene, plagioclase, daubréelite , sulphides’.

The pyroxene in the chondrules are elongated and prismatic.

Sulphates and Oxides appear at the edges of the grains, residues of environmental alterations.

There are also minor daubréelite ,kamacite and sulphides

paired specimens (including Northwest Africa [NWA] 2828 and 7401) are part of a vesicular, incompletely melted, EL chondrite impact melt rock with a mass of ~3 metric tons

Literature data indicate the meteorite fell ~23,000 year ago; numerous secondary phases formed during weathering. Both impact melting and weathering altered the meteorite's bulk chemical composition

An interesting 12 page detailed paper about this fossils meteorites Al Haggounia 001 and NWA 7401.

Please copy and paste this file

https://onlinelibrary.wiley.com/doi/pdf/10.1111/maps.12679?fbclid=IwAR0n0IINwHQoKdrBHWvT60Gl750e-Q5sJoSPGK0xTC_zTevt7yDAr8k5DRM

https://www.lpi.usra.edu/meteor/metbull.php?code=56167

We visited Morocco in 2017 and visited areas where meteorites were found, but they were extremely difficult to find. In several hours we only found one small meteorite. Two images enclosed when we went fossicking for meteorites.

Please copy and paste link to view our trip and recommend you add to your bucket list fossil tours!

https://www.gemrockauctions.com/learn/did-you-know/fossil-safari-dinosaurs-and-fossil-hunting-in-morocco

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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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  • 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.

  • jtgems
    jtgems
    積極的

    This one is mine. Thanks.

15.00%
優惠券代碼 MYGEMDEALS
有效期至
7th Nov 2024

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概述

列表類型 : Standard
產品編號 : 2277543
開始 : 30th October 2024 08:26 pm PDT
* 所有價格均以:貨幣為單位