Watermelon Tourmaline Details
Watermelon tourmaline is a unique variety of tourmaline that is highly valued for its distinctive coloration. It is named after its resemblance to a slice of watermelon and is often used in fine jewelry. Watermelon tourmaline is the birthstone for October and is associated with the zodiac sign of Libra.
Origin and History
Watermelon tourmaline was first discovered in the late 1800s in the state of Maine in the United States. It is a variety of elbaite tourmaline, which is the most common form of tourmaline. The gemstone is typically found in granite deposits and is often associated with other minerals such as quartz and mica.
Physical Properties
- Hardness: 7-7.5 on the Mohs scale
- Density: 3.06-3.10 g/cm3
- Cleavage: Poor to indistinct
- Fracture: Uneven to conchoidal
- Luster: Vitreous to subvitreous
Optical Properties
- Refractive Index: 1.62-1.64
- Birefringence: 0.008
- Dispersion: 0.017
- Pleochroism: Strong
Elementary Chemical Analysis
Watermelon tourmaline is a complex borosilicate mineral that contains aluminum, iron, magnesium, sodium, and lithium. The presence of manganese is responsible for its distinctive pink and green coloration.
Birthstone and Zodiac Sign
Watermelon tourmaline is the traditional birthstone for October and is associated with the zodiac sign of Libra.
Healing Properties
Watermelon tourmaline is believed to have many spiritual and healing properties such as:
- Strengthening the immune system and promoting physical healing
- Encouraging self-confidence and self-love
- Enhancing creativity and promoting emotional balance
- Stimulating intuition and spiritual awareness
- Protecting against negative energy and promoting spiritual growth
Uses
Watermelon tourmaline is often used in high-end jewelry such as rings, necklaces, and earrings. It is also highly valued by gemstone collectors and investors. The gemstone's unique coloration makes it a popular choice for statement pieces and one-of-a-kind designs.
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