Loose Cubic Zirconia Pink Color Round Firework Cut 10mm gemstones CZ03  wholesale from China Supplier and manufacturer. Pictures What's Firework cut gemstones? It's modified according to the real firework by the stone cutter, which the appearance looks like the real Firework sparkling.  Firework cut Gemstones is becoming one of popular gemstones for jewelry designs.  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 gems. 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 Firework cut Cubic Zirconia Pink color Gemstones and Other Colored CZ Loose Cubic Zirconia Stones or Synthetic Gemstones With Quality Grades A to Top Grade Quality AAAAA at Wholesale Direct Factory prices from the Real China...