Figure 1. Pleochroism in a 15 ct tanzanite, as seen with the unaided eye through the crown and the pavilion sides and ends. Photo by Wimon Manorotkul. In describing colored gemstones, the major ...
In terms of novelty and rarity, Madagascar offers the largest variety and supply. New gemstones are always emerging, Gravier explained. Among his stones from Madagascar were the dumortierite and green ...
Travelers have the opportunity to search for their own diamonds in the rough in some U.S. states. In July, Will and Marshall Barnet stopped at Arkansas' Crater of Diamonds State Park during a road ...
Below, see a list of places you can visit to try your luck at finding gems. Located in Murfreesboro, Arkansas, the park gives visitors a chance to search a 37-acre field for treasures. More than ...