Watermelon Tourmaline

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Physical & Optical Properties

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

a a a Trigonal (Rhombohedral) a = b = c, α = β = γ ≠ 90°

Value & Market

Price Tier Moderate ($50-500/ct)

Where to Buy Watermelon Tourmaline

About Watermelon Tourmaline

La turmalina sandía es una de las variedades más apreciadas de turmalina: presenta un núcleo rosa a rojo rodeado por una corteza verde, imitando la apariencia de una sandía en corte transversal. Esta zonación bicolor se produce por cambios en la composición química durante el crecimiento del cristal. Se usa frecuentemente en rebanadas o rodajas para mostrar el patrón. Los mejores ejemplares provienen de Brasil, Madagascar y Nigeria.

Jewelry Use

Durability 7/10

Suitable for daily wear

Science FYI Family

Frequently Asked Questions

What is Watermelon Tourmaline?
La turmalina sandía es una de las variedades más apreciadas de turmalina: presenta un núcleo rosa a rojo rodeado por una corteza verde, imitando la apariencia de una sandía en corte transversal. Esta zonación bicolor se produce por cambios en la composición química durante el crecimiento del cristal
What is the hardness of Watermelon Tourmaline?
Watermelon Tourmaline has a Mohs hardness of 7.0 to 7.5, making it excellent for use in jewelry.
What color is Watermelon Tourmaline?
Watermelon Tourmaline is primarily Various.
How much does Watermelon Tourmaline cost?
Watermelon Tourmaline falls into the Moderate ($50-500/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Watermelon Tourmaline?
Watermelon Tourmaline belongs to the Trigonal crystal system.

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