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Recent Posts
- List of facts about tourmaline, an opinion
- No Paraiba in top ten list of most valuable/rarest or beautiful gemstones??
- #261 and a bright red cuprian smile
- Included bright sparkling red round. #261
- Getting threw the winter, 1/3 carat of fire
- The amount of lead in tourmaline.
- Color my world of tourmaline.
- Copper’s limited roll in coloring Paraiba/cuprian tourmaline.
Tags
- achroite
- afghan
- baby pink
- bi-color
- blue
- blue-green
- brown
- closed-c
- color-shift
- color dot
- cuprian
- cutting tourmaline
- dichroic
- dravite
- droplet-of-color
- emerald cut
- golden
- green
- green-blue
- hot pink
- IceT
- indicolite
- medium green
- Mozambique
- Namibia
- non-dichroic
- open-c
- orange
- outstanding
- oval
- pale
- pastel
- peach
- personal story
- pink
- purple
- purple-pink
- red
- rubellite
- seafoam
- shield
- unique
- verdelite
- yellow
- yellow-green
Recent Comments
- toadandspur on Outstanding Achroite with a Mystery
- Bruce Fry on Welcome to a World of Color in Tourmaline
- David Walsh on Paraiba/paraiba type tourmaline and treatments.
- rexguo on Laurellite a reverse color change tourmaline is unique.
- cbass on Finally a bit of golden orange tourmaline from the holiday season.
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Monthly Archives: August 2016
Sending a tourmaline to the GIA for a report on copper.
I have been working with Laura, my older daughter to try and get a page for selling selected stones on my website. Well it is together now and you can go there from the main page. I am not really … Continue reading
Posted in Cuprian Tourmaline, Tourmaline Analysis
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Collection pretty much back together again after GIA trip.
I have just finished putting the collection back together after fifty of the stones were kept by the GIA for photographing. It is hoped that they will be included in a future spread in Gems and Gemology on the beauty … Continue reading
Posted in Introduction
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Making money on Paraiba when all you have is from Mozambique.
In promoting the Ethereal Carolina Divine Paraiba as coming from Brazil, being part of the original mine’s production and being even an authentic Paraiba is reaching a new low in probably confusing the public. This largest of all “Paraiba” tourmaline … Continue reading
Posted in Introduction
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Opinions on the Paraiba/paraiba type and cuprian tourmaline market.
The publication of a new study on the principle and trace elements in Paraiba/ cuprian tourmaline in The Journal of Gemmology, along with changes’s in The Guide’s presentation of how the market values copper bearing tourmaline has me troubled. The … Continue reading
Posted in Cuprian Tourmaline, Introduction
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