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All auctions / Ethnographic / Bicolour tourmaline Crystals - Height: 20 mm - Width: 13 mm- 15 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 : 15 grams Sizes : 20x13x9mm 15x13x13mm
Estimate:$168.06
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Hammer price:
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Estimate:
$168.06

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OCT 23 | 8:00 AM

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Get listed nowEst: $44
Large Black Amethyst Druzy Geode and Schorl Black Tourmaline Specimens
08/29/2025
$225
Est: $125
A yellow gold, diamond and tourmaline-set bracelet watch | Circa 1960s
05/15/2024

$13,696.2
Est: $7,609
$503.82
OCT 17 | 10:00 PM