NWA 未分级 H型普通球粒陨石 188 g 原创角色 - 188 g

FIND LOCATION: 西北非、撒哈拉沙漠

WEIGHT: 188 g
DIMENSIONS: 大约 6.5 cm

A beautiful unclassified ordinary chondrite recovered from the Sahara Desert of Northwest Africa, most likely discovered by local nomads during meteorite searches in the region. 这一未归类的美丽普通陨石来自西北非的撒哈拉沙漠，极有可能是在本地区进行陨石搜寻的当地游牧民发现的。The specimen displays a relatively well-preserved ablation surface, indicating a low degree of terrestrial weathering, as well as abundant iron-nickel flakes suggesting a likely H-type ordinary chondrite. 该标本显示出相对完好的熔蚀表面，表明地表风化程度较低，并且富含铁镍薄片，提示很可能属于 H 型普通陨石。Impact melt veins easily observed throughout the polished surface indicate a relative high shock stage. 在抛光表面上清晰可见的撞击熔脉表明冲击阶段相对较高。

Ordinary chondrites are the most common class of meteorites found on Earth, yet they remain exceedingly rare compared to terrestrial rocks. 普通陨石是地球上最常见的陨石类别，但与地球岩石相比仍然极为罕见。They are composed primarily of ancient silicate chondrules — small spherical grains that formed during the earliest stages of our Solar System over 4.5 billion years ago. 它们主要由古老的矽酸盐型球粒（chondrules）组成——这些微小的球状颗粒形成于太阳系最早阶段，距今超过45亿年。This meteorite likely originated from the crust of a larger asteroid located within the asteroid belt between Mars and Jupiter. 这块陨石很可能来自位于火星与木星之间的小行星带中的一颗更大小行星的地壳。

Meteorites of this type are typically classified as H, L, or LL chondrites depending on their metal content and mineral composition. 这类陨石通常按金属性含量和矿物成分分为 H、L 或 LL 型陨石。Precise classification of this specimen would require laboratory analysis involving the removal of a small sample section. 对该标本进行精确分类需要在实验室分析，取出一小块样本进行分析。

An excellent display specimen and a genuine piece of early Solar System history. 这是一个极好的展示标本，是真正的早期太阳系历史的一部分。

I am a member of the Meteoritical Society (#7743) and have been collecting meteorites for over 15 years. 我是 Meteoritical Society 的成员（编号 #7743），从事陨石收藏已有超过 15 年。