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All About Tourmaline

dera



Earth's most colourful gemstones, serving as October's birthstone. Tourmalines are widely popular due to its reasonable prices and amazing range of colours, including multi-colour zones.

 

FACTS

  • Mineral: Tourmaline

  • Colour: All colours

  • Refractive index: 1.624 to 1.644

  • Specific gravity: 3.06

  • Mohs Hardness: 7 to 7.5

 

Tourmaline’s colours have many different causes. Blue and green colours could be induced by traces of iron and titanium. Manganese produces reds and pinks, and possibly yellows. If you own a piece of Tourmaline, you have with you a part of nature's colour palette!


Many tourmaline color varieties have inspired their own trade names:

  • Rubellite is a name for pink, red, purplish red, orangy red, or brownish red tourmaline.

  • Indicolite is dark violetish blue, blue, or greenish blue tourmaline.

  • Paraíba (most valuable and popular) is an intense violetish blue, greenish blue, or blue tourmaline from the state of Paraíba, Brazil.

  • Chrome tourmaline is intense green.

  • Parti-colored tourmaline displays more than one color. One of the most common combinations is green and pink, but many others are possible.

  • Watermelon tourmaline is pink in the center and green around the outside. Crystals of this material are typically cut in slices to display this special arrangement.

Heat and irradiation treatments may be used to improve the color of tourmaline. The results of heat treatment are usually permanent.

Brazil has been the world's leading source of tourmaline for nearly 500 years. In the 1500s Portuguese explorers obtained green and blue tourmaline from indigenous people and from panning streams in search of gold. They thought that these colorful stones were emeralds and sapphires and sent them back to Portugal, where they were cut into gems and used to make jewelry for royalty and wealthy citizens.


Today, discoveries of tourmaline of various kinds are made in Afghanistan, Mozambique, Namibia, Nigeria, Pakistan, Tanzania, the United States and other countries, scattering across the globe. These provide the market with a constantly changing supply of gem tourmaline and mineral specimens.


No matter which shade of Tourmaline speaks to your heart, I believe it is truly an incredible energy of rainbow, durable for daily wear, and you can definitely find one that matches your wardrobe!


Shop Tourmaline here or chat with us for custom/ sourcing requests!





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