Gem FAQS > Tourmalines (3 entries)
Tourmalines are allocromatic gemstones which means without impurities they are colorless. Tourmalines such are a complex gemstone that has they have never been successfully synthesized.
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Indicolites are the greenish-blue to blue colored varieties of tourmalines.
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Paraiba tourmaline were discovered in 1989 in northeastern Brazilian state of Paraiba near the village of Sao Jose da Batalha. Paraiba tourmaline is found in colors ranging from green to blue ...
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Rubellites are the pink to purplish red varieties of tourmaline. The color in rubellite comes from trace amounts of manganese and on rare occasions some light pinks are colored by titanium. ...