description Watermelon Tourmaline Overview
Watermelon tourmaline is a distinctive variety of the elbaite mineral species, characterized by a pink core and a green outer rim, resembling the fruit. This color zoning occurs naturally during crystal growth when chemical composition changes. To best showcase this phenomenon, lapidaries often cut the rough stones into cross-sectional slices rather than traditional faceted gems. Major sources include Brazil, Nigeria, and Mozambique.
help Watermelon Tourmaline FAQ
Why is watermelon tourmaline called watermelon?
The gemstone features a natural bi-colored elbaite zoning with a pink center and a green outer rind, resembling a slice of watermelon. This unique coloration occurs naturally within the crystal structure.
Where does the best watermelon tourmaline come from?
The most highly valued and prolific sources for watermelon tourmaline are the mines located in Minas Gerais, Brazil. This region is world-renowned for producing some of the finest and most vibrant bi-colored elbaite crystals.
How is watermelon tourmaline usually cut in jewelry?
To maximize the visual effect of its pink center and green rind, lapidaries often cut watermelon tourmaline into thin slices or cross-sections. These are typically polished into cabochons rather than faceted like traditional transparent gems.
Is watermelon tourmaline a durable stone for rings?
As a variety of elbaite tourmaline, it has a good level of hardness around 7.5 on the Mohs scale, making it suitable for jewelry. However, it requires some care to prevent chipping and should be protected from hard impacts.
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