Blue Tourmaline
Moh’s Scale Hardness: 7-7.5
Specific Gravity: 2.96-3.31
Refractive Index: 1.610-1.735
Treatment: Occasionally Heated
Stability/Care: Excellent / Normal
Origin: Brazil & Africa
Refractive Index: 1.610-1.735
Treatment: Occasionally Heated
Stability/Care: Excellent / Normal
Origin: Brazil & Africa
Showing all 8 resultsSorted by popularity
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Silver Blue Tourmaline 7mm Round 1.32ct
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Blue Green Tourmaline Pear 1.09ct
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Blue Gray Tourmaline Round 0.54ct
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Blue Tourmaline 4mm Round
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Denim Blue Tourmaline 7.1mm Trillion 1.09ct
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Teal Tourmaline 4.3×4.2mm Trillion 0.34ct
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Teal Tourmaline 7.8×3.6mm Marquise 0.40ct
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Aqua Blue Tourmaline 8.7×6.7mm Oval 1.53ct
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