Gem Type: Burmese Spinel Color: Red Shape: Tumbled Rondelle Bead Size (mm): 2.5x2.5x1.5 Length of Strand (in): Layered, 16 - 22 Weight (ct): 422 Number of Strands: 10 MOHS Hardness: 7.5-8 Treatment: Non-treated GbG ID: B42O-1