Feature
Gems & Gemology, Spring 2003, Volume 39, No. 1
Poudretteite: A Rare Gem Species from the Mogok Valley
Christopher P. Smith, George Bosshart, Stefan Graeser, Henry Hänni, Detlef Günther, Kathrin Hametner, と Edward J. Gübelin
In 2000, an unfamiliar gemstone was purchased in Mogok. It subsequently proved to be the rare borosilicate poudretteite, a mineral that previously had been identified only as tiny crystals from Mont Saint-Hilaire, Quebec, Canada. This article presents a complete gemological description of this unique gemstone and furthers the characterization of this mineral by advanced spectroscopic and chemical analytical techniques.
