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Watermelon Tourmaline Information
Watermelon Tourmaline Information
What is watermelon tourmaline?
This article highlights on watermelon tourmaline information. Watermelon tourmaline is multicolored variety of tourmaline. Tourmaline is not a single gemstone or mineral. It is a group of minerals. Watermelon is one of them. Watermelon has 2 colours combination such as red in center and green on the edges. This colour combination is the most famous.
Chemical Name: complex boro-silicate of Al, Mg and Fe
Chemical Formula: Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Crystal System: Trigonal
Chemistry Classification: Silicate
Nature: Natural
Crystallinity: Crystalline
Watermelon-tourmaline characteristic physical properties
Streak: White
Hardness: 7-7.5
Specific Gravity: 3-3.26 Typical:3.06
Inclusions: Watermelon tourmaline comes in Type II clarity stone. Colous zoning is pink core and green edges. Inclusions may be of liquid and gas inclusions. They can be long and thin. They can have reflective gas-filled fractures and color zoning.
Fracture: Conchoidal, Subconchoidal,Uneven, Irregular,
Toughness: Good
Luster: Vitreous
Stability: Very Good
Cleavage: Poor, in 2 directions
The Occurrences of Watermelon Tourmaline
Watermelon tourmaline becomes or takes shape when a rough tourmaline form in an elongated shapes underground. In actual watermelon, tourmaline, the red colour is always in the center where as green will be in the edges.
Watermelon Tourmaline in Jewelry
Watermelon tourmaline is popular in jewelry making designs.
It is cut in watermelon shape, polished. After that it is set in jewelry earnings, rings, pendants and more. Watermelon tourmaline rings are the popular in watermelon tourmaline jewelry the most. Whenever jewelry makers like to buy loose gemstones for sale in wholesale, they look for watermelon tourmaline mostly for making rings. However in other varieties, this is also set in necklaces, earrings, pendants, clips, hair clips, broaches and many more.
Guide to Buy Watermelon Tourmaline Crystals
If you are going to buy rough watermelon tourmaline loose gemstone for sale online, it will be good. Youu can cut it and give it shape of your own will. You can polish and leave it natural. If you are looking for polished watermelon tourmaline gemstone, look for well polished and true shape of watermelon. Tourmaline is 95% heated or irradiated. So as it is with the watermelon tourmaline gemstones. Heat enhance the colour and make the gem more beautiful in colour and shape. The heated gemstone is good if its colour is exact as of watermelon like.
