Cubic Zirconia Black, Pear

GEMSTONE DETAIL

• Dimensions: 4x2mm to 30x20mm
• Grade:  AAA
• Clarity: Eye Clean
• Shape: Pear
• Make: Good
• Symmetry: Good
• Color: Black
• Cut: Good
• Polish: Good
• Stock Postion: All sizes are available in stock.

CHEMICAL PROPERTIES

• Hardness (Mohs’s Scale): 8.50
• Density: 5.65 – 5.95
• Refractive Index: 2.088 – 2.176
• Dispersion: 0.058 – 0.066
• Heat Resistence: 650°C – 700°C
• Fracture: Conchoidal
• Specific Gravity: 5.65-5.95
• Shock Resistence: 350°