We are offering tourmaline. Please serious buyer only!!!!! luster: very good treatment: unheated/untreated hardness: 7.5 refractive: 1.62 - 1.68 chemical: na(li, al)3al6(b03)3 si6o18(oh)4 gravity: 3.0+ origin: nigeria, africa birth stones: october (balance, endurance, safety) zodiac birthstones more...
We are a specialized manufacturer, exporter and supplier of Pink Tourmaline from New York (US). Our pink tourmaline is preferred in international market due to its perfect chemical composition, density and refractive value. Additionally, its hardness makes it the choicest semi-precious in the jewelry market. more...
Raw Tourmaline Stones used in the manufacture of pressure gauges to measure transient blast pressure. Also for Ornamental purposes. more...
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