刚石（corundum）是一种高级研磨材料。现代主要是通过人造红、蓝宝石的途径来满足工业需要。
金刚石 [矿物] Diamond ; PCD ; CBN ; SDC ; diamond
聚晶金刚石 PCD ; POLY CRYSTAL DIAMOND-PCD ; Polycrystalline Diamond Compact
金刚石对顶砧 diamond anvil cell ; diamond anvil cell-DAC ; DAC
金刚石砂轮 Grinding Wheel ; diamond grinding wheel ; diamondwhel
金刚石复合片 PDC ; PCD ; diamond compact ; Polycrystalline Diamond Compacts
人造金刚石 [材] artificial diamond ; synthetic diamond ; diamond
金刚石钻头 [地质] diamond bit ; diamond drill bit ; [机] bort bit ; [地质] diamond head
黑金刚石 [矿物] carbonado ; [矿物] black diamond ; black diamond carbonado ; drilling diamond
类金刚石 DLC ; diamond-like carbon ; diamond-like ; diamond-like material
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.
通常情况下，有可能得出包裹体比其金刚石寄主更古老的结论，但几乎没有说明所涉及的时间间隔。
Usually, it is possible to conclude that the inclusions are older than their diamond hosts, but with little indication of the time interval involved.
钻石(金刚石)由纯碳所组成。
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