The first rough stone with a small diamond was found in the world
【モスクワ共同】ロシアの世界最大のダイヤモンド採掘企業「アルロサ」は4日、極東サハ共和国で、ダイヤの中にある空洞にさらに別の小さなダイヤが入った原石が世界で初めて見つかったと発表しました
[Moscow jointly] Russia`s largest diamond mining company Arrosa announced on the 4th in the Far Eastern Sakha Republic that the world`s first rough stone with another small diamond in the cavity inside the diamond was found
Overall .062 ct with another .002 ct in the internal cavity
The company`s experts have analyzed that the inner rough was first formed, and then the outer was formed, but it is the most interesting how the cavity was created.
How to handle rough stone is undecided
According to Russian media, Arrosa diamond mining accounts for more than 25% of the world total
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