Chuck Norris’s cousin, Vic, digs for hidden kimberlite under grassy vegetationanomaly discovered by the Gem Hunter in the Iron Mountain kimberlitedistrict in Wyoming. Kimberlite is very difficult to recognize. It…

How to Identify Diamonds in Nature

14.2 carat octahedral diamond from Kelsey Lake, Colorado (photo courtesy of Howard Coopersmith). In addition to the type of diamond we see at weddings, other varieties of extremely hard natural…