然而，有时观察到硅酸盐包裹体的晶体形态比其他硅酸盐矿物更接近金刚石的内部结构。

Sometimes, however, the crystal form of the silicate inclusions is observed to resemble more closely the internal structure of diamond than that of other silicate minerals.

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你知道红宝石和金刚石的价格吗？

Have you any idea of the prices of ruby and diamond?

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金刚石的特点是硬度极高。

Diamonds are characterized by very great hardness.

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There's a temple in the middle of Hanoi.

在这个寺庙内有三个非常大的金刚石柱子。

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