Lab Created Pulled Czochralski Green Paraiba Rough

ROUGH STONE DETAIL

• Origin: Grown in Lab by Pulled Czochralski method. One of the best ways to produce top quality gems.
• Dimensions: About 31x12x7mm
• Grade: AAA
• Clarity: Eye Clean
• Shape: Rough
• Color: Green
• Polish: Very Good
• Stock Postion: Available

Chemical Properties

• Chemical composition:  Complex borosilicate
• Hardness: 8 Moh’s scale
• Density: 3.02-3.26
• Refractive index: 1.614-1.666
• Dispersion: 0.018
• Length of Crystal: Length is up to 40-100mm and diameter is about 20-30mm