• Size: 23 mm
• Shape: Round Cabochon-Cut
• Colour: Patterned Sky-Blue
• Clarity: Clean
• Lustre: Good
• Origin: African
• Hardness: 7
• Specific Gravity: 2.65 - 2.91
• Refractive Index: 1.530 - 1.540
• Chemical Composition: SiO2, Silicon Dioxide
• Crystal Structure: Trigonal

THIS IS A NATURALLY MINED & CUT STONE