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1. Star rays move with the Angle of illumination and are not fixed.
2. Clear star can be seen under flashlight or direct light
2. Clear star can be seen under flashlight or direct light
Description:
Color - Pigeon Blood Red
Shape/Cut - Oval/ Cut
Clarity - AAAA+
Hardness: 9.0
Density: 3.98
Refractive index: 1.762-1.77
Birefringence: 0.008
Dispersion: 0.018
Melting point: 1700°C—3100°C
Dimension -
4x6mm 1pcs, 5x7mm 1pcs, 6x8mm 1pcs, 7x9mm 1pcs, 8x10mm 1pcs, 9x11mm 1pcs, 10x12mm 1pcs, 10x14mm 1pcs, 12x16mm 1pcs, 13x18mm 1pcs, 15x20mm 1pcs, 18x25mm 1pcs, 20x30mm 1pcs,30x40mm
Hardness: 9.0
Density: 3.98
Refractive index: 1.762-1.77
Birefringence: 0.008
Dispersion: 0.018
Melting point: 1700°C—3100°C
Dimension -
4x6mm 1pcs, 5x7mm 1pcs, 6x8mm 1pcs, 7x9mm 1pcs, 8x10mm 1pcs, 9x11mm 1pcs, 10x12mm 1pcs, 10x14mm 1pcs, 12x16mm 1pcs, 13x18mm 1pcs, 15x20mm 1pcs, 18x25mm 1pcs, 20x30mm 1pcs,30x40mm