Author Archives: bft_admin

Copper, Red, Tourmaline, A Christmas tale

Dec. 29th 2009 On the night before Christmas I was again examining my tourmaline collection with my new spectrometer in search of SOMETHING. I have gotten better with it and alone with double checking some earlier cuprian tourmaline I began … Continue reading

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I Am Not A Heater and the first “Laurellites”

April 10th 2009 I keep reading literature on heating cuprian Elbaite with a growing sadness. I am reading about the demise, that I knew was taking place, of a new variety of Elbaite that is little recognize, appreciated or conserved. … Continue reading

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Color Change/Shift in Red Tourmaline

Feb. 27th 2010 The first well known feature of some red tourmaline is that it de-saturates under incandescent light and turns brownish. This is not desirable and has cause the use of the variety name Rubellite to be only acceptable … Continue reading

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Cutting & Faceting Tourmaline

Cutting & Faceting Tourmaline by Bruce A. Fry Considering Color & Weight Retention When cutting rough tourmaline, as with any colored gemstone variety, the lapidary must consider both color and weight retention. The unique complexity of cutting tourmaline comes into … Continue reading

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