• Hardness

  7.0.

• Occurrence

  Madagascar, North America, Brazil, Myanmar (Burma), Africa, Siberia, Australia, Sri Lanka (Ceylon). Tourmaline and opal are the birthstones of the month of October. Tourmaline is the national gemstone of the United States.

• Appearance

  Long tourmaline crystals often form with different colored layers. Watermelon tourmaline is named by the slices which are formed when these crystals are cut. They have a pink center, sometimes surrounded by a colorless (white) layer and a green "rind". Watermelon and Bi-color tourmalines are normally quite included.

• Enhancements

  Occasionally heat treated to improve color.

  More information on gemstone enhancements.

• Watermelon Tourmaline

  • Item #TRM548
    	7.69 ct.
    	12.2x12.1mm Cabochon, Trillion Cut
    	Medium Light
    	Strong Reddish Purple
    	Heavily Included
    	[N] Not enhanced.
    	one of a kind
    With an area of clear and bluish green.
    Watermelon Tourmaline	$ 144.99

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Last updated June 22, 2009
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