Category Archives: Truth in Tourmaline

Fed up of the crap on the internet about tourmaline? Have a read here!

IVCT, intervalence charge transfer, dichroism in tourmaline.

I was searching threw my papers for tax time, when I ran across a copy of a personal email from George R. Rossman of Rossmanite and Caltech.  I want to quote a paragraph on dichroism in tourmaline from that April … Continue reading

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Public will not buy included tourmaline!

I just finished reading an email from about a year ago, from a cutter that runs a significant selling site on the internet.  He said that people are looking for a reason not to buy gemstones now and he can … Continue reading

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In the pink, another round for everyone.

I just finished a pink oval from a piece of tourmaline rough from Nigeria.  It turned out to be one of the most fragile pinks I have cut.  And this is from a location that has produced very calm and … Continue reading

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Appraising a book on appraising gemstones.

Just got back from a traditional bookstore that is now half toys and puzzles.  I found a few cheap books and looked in the known locations for books on gemstones and minerals etc.  And I found a new one which … Continue reading

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