Russian diamond giant Alrosa begins mining at Karpinskogo

[caption id="attachment_802121" align="aligncenter" width="600"] The deposit is located in the Arkhangelsk region, northern Russia.[/caption] Russian Alrosa, the world’s largest diamond producer by carat, said Monday its subsidiary Severalmaz JSC has began mining for precious stones at the Karpinskogo-1 kimberlite pipe...