Rare Needles Blue Gem Chrysocolla from near Lake Havasu. Deep blue Gem Chrysocolla with black Tenorite and a few little white clouds 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 43x24 mm and is 5 mm thick, the weight is 44 cts. You will love this stone! As always, Thanks for looking!