Francesco Moser

陨石拍卖 （撒哈拉沙漠奇观）

一块令人惊叹的57克 Northwest Africa 17153 (NWA 17153)端切标本，直接从主块持有者 Fabien Kuntz 处购买。

该标本保留了新鲜、保存良好的熔壳外皮，表面有若干明显的 regmaglypts（拇指印状凹坑）。这些特征性拇指印状凹陷是在它穿越地球大气层时，表面被强烈烧蚀塑形所形成，使标本具有特别迷人的自然外观。

打磨端揭示了一个有趣且异质的球粒隕石基质，内部可见大量不同的矿物和球粒碎片。尤其值得注意的是基质中保留的一小片富铁金属薄片。这类金属颗粒很可能是撞击物母体材料的残留，反映了该碎片所来源之天体的复杂历史。

标本详情：

天体：Northwest Africa 17153 (NWA 17153)
重量：57 g
形态：端切
熔壳：新鲜、保存良好
外观：明显的 regmaglypts
来源：从 Fabien Kuntz 处购买
处理：端部切割并打磨

我是陨石学会成员（编号 #7743）以及全球陨石协会成员（编号 #G0129），从事陨石收藏已超过16年。

A stunning 57 gram end cut of Northwest Africa 17153 (NWA 17153), purchased directly from the main mass holder, Fabien Kuntz.

The specimen retains a fresh, well-preserved fusion crust, with several pronounced regmaglypts across its exterior. These characteristic thumbprint-like depressions were formed as the meteorite's surface was sculpted by intense ablation during its passage through Earth's atmosphere, giving the specimen a particularly attractive natural appearance.

The polished end reveals an interesting and heterogeneous chondritic matrix, with numerous distinct mineral and chondrule fragments visible throughout the interior. Particularly noteworthy is a small metallic iron-rich flake preserved within the matrix. Such metal grains are likely the remnants of the impactor parent's material and reflect the complex history of the body from which this fragment originated.

Specimen details:

Meteorite: Northwest Africa 17153 (NWA 17153)
Weight: 57 g
Form: End cut
Fusion crust: Fresh, well preserved
Exterior: Pronounced regmaglypts
Provenance: Purchased from Fabien Kuntz
Preparation: Cut and polished end

I am a member of the Meteoritical Society (#7743) and the Global Meteorite Association (#G0129) and have been collecting meteorites for more than 16 years.

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NWA 17153 - 欧克石多碎裂角砾岩（来自小行星4号维斯塔的碎片） - 57.61 g

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