conflict diamond
noun[C]
uk/ˈkɒn.flɪkt ˌdaɪə.mənd/us/ˈkɑːn.flɪkt ˌdaɪə.mənd/ablood diamond
（同 blood diamond）Geology: precious & semi-precious stones
- agate
- amethyst
- aquamarine
- blood diamond
- carnelian
- cornelian
- crystal
- diamond
- emerald
- gemstone
- jet
- jewel
- lapidary
- malachite
- marcasite
- pearl
- precious stone
- sapphire
- stone
- turquoise
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