诺顿陨石是无球粒陨石。由于它内在化学成分与球粒陨石不同，其密度也不如后者，因此从保管上来说相对要难一些，再加上诺顿陨石发现时间距今已有60年，熔壳基本上风化掉了，更给收藏者辨识它带来一定的困难。诺顿陨石是这样，还有类似情况的无球粒陨石也可能是这样。正因为如此，我才发这个帖子，旨在告诉星友，不是所有的陨石都开门，都那么容易辨认。但我们不要因此与心爱的星星失去缘份，前提是你要多看多了解这方面的图片和文字资料。毕竟无球粒陨石是非常稀少而且也是非常珍贵的，我们更应该重视对它的研究。目前已知火星和月球陨石都是无球粒陨石。仅凭这一点，就值得我们严重关注。

诺顿（Norton County ）
陨石类型：无球粒陨石（Aubrite）
发现时间：1948年
发现地点：美国
收集重量：约1.1吨

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