Bicolour tourmaline Crystals - Height: 18 mm - Width: 8 mm- 9 g - (1)

If you mean bicolour tourmaline crystals, they’re tourmaline crystals showing two distinct colours in the same crystal, often with a sharp or gradual colour transition. Common combinations include: Pink + green — especially prized and often called watermelon tourmaline when the colours are arranged concentrically. Green + blue Blue + pink Yellow + green Black + green They’re particularly valued when the colour boundary is natural, well-defined, and the crystal is transparent with good lustre. From Afghanistan Weight : 9 grams Sizes : 18x8x8mm 17x11x6mm 13x7x7mm

Estimate:£126.72

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