Rare Needles Blue Gem Chrysocolla from near Lake Havasu. Deep blue Gem Chrysocolla with black Tenorite and a little white matrix in this dramatic designer cabochon. This stone has a high polish front and back and is professionally cut. Slightly beveled to facilitate setting, it will look great set in one of your designs or as a terrific addition to your collection. This stone measures 50x32 mm and is 5.5 mm thick, the weight is 54 cts. You will love this stone! As always, Thanks for looking!