Watermelon Tourmaline

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Physical & Optical Properties

Category Semi-Precious Gems

Mohs Hardness 7.0 – 7.5

Specific Gravity 2.9 – 3.4

Refractive Index 1.614 – 1.666

Crystal System Trigonal

Luster Vitreous

Cleavage None

Fracture Uneven,Irregular,Conchoidal,Sub-Conchoidal

Color various

Birefringence 0.014

Dispersion 0.017

Mohs Hardness

Mohs Hardness: 7.0 – 7.5

1 Soft10 Hard

Crystal System

Value & Market

Price Tier Moderate ($50-500/ct)

Where to Buy Watermelon Tourmaline

Blue Nile Fine jewelry retailer

James Allen Gemstone jewelry

Brilliant Earth Ethically sourced gems

Amazon Wide selection

Links may earn a commission at no extra cost to you.

About Watermelon Tourmaline

수박 전기석은 분홍색 혹은 붉은 중심부와 녹색 외피가 결합하여 수박 단면을 연상시키는 독특한 색상 분대 현상을 보이는 전기석입니다. 이 색상 분대는 결정 성장 과정에서의 화학적 조성 변화로 형성되며, 얇은 슬라이스 형태로 절단하면 수박 패턴이 가장 아름답게 드러납니다. 브라질·나이지리아·마다가스카르가 주요 산지이며 수집가와 보석 디자이너 모두에게 사랑받습니다.