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or manganese within the quartz crystal structure
Clarity grades include VS
Weight of Pieces: 2
100% Natural & Authentic - Genuine rough kyanite crystals sourced directly from nature
Product Details:
50.70 Grams Swiss Blue Raw Topaz for Faceting October Birthstones or manganese within the quartz50. 70 grams Facet grade Swiss Blue Raw Topaz for cutting. Clarity of stones have eye clean to loupe clean. Stone: Swiss Blue Topaz Sizes : 50. 70 grams Average: 6. 5 grams per piece Clarity: Eye Clean to Loupe Clean Treatment: Heated Origin: Brazil Technical Analysis of Swiss Blue Raw Topaz Material Characteristics Species: Topaz (AlSiO(F,OH)) Hardness: 8 on Mohs scale Specific Gravity: 3. 49 3. 57 Crystal System: Orthorhombic Refractive Index: 1.