Loose Cubic Zirconia coffee brown color Yellowish and Reddish Color shade Melee small round faceted 1.60mm and 1.80mm gemstones wholesale from China Manufacturer and Suppliers Pictures Cubic Zirconia Coffee Brown Color Gemstones: There're 2 popular color shades for the Loose Cubic Zirconia CZ Coffee Brown Gemstones, One is Brown Color with Yellowish Shade, another is Brown Color with Reddish Shade. What is Cubic Zirconia? A: Cubic Zirconia (or CZ) is zirconium oxide (ZrO2 ), is widely synthesized for use as a diamond simulant and it is a lab made created stone with a specific gravity of between 5.6-6.00 and at about 8.5 hardness on Mohs scale, which is harder than most #natural gemstones#. Its refractive index is high at 2.15 - 2.18 (B-G interval) and its luster is very good. Its dispersion is very high at 0.058 - 0.066, exceeding that of diamond (0.044). #Cubic Zirconia Gemstones# is the best stimulant for the Real diamond, it's beautiful and brilliant for the Jewelry designs. At FU RONG GEMS, you can Buy Cubic zirconia Coffee Brown Color stones and Other Colored CZ #Loose Cubic Zirconia Stones# With Quality Grades A to Top Grade Quality AAAAA at Wholesale Direct Factory prices from the Real...