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Messaggeria in lingua italianaCuprian Elbaite aggiungere nota alla pagina
3rd Mar 2016 11:16 UTCFerdinando Giovine
E' proprio questa sua caratteristica, oltre la rarità, che la rende impareggiabile e la più costosa tra le tormaline.
Di questa caratteristica del colore non c'è traccia sulla pagina di Cuprian Elbaite http://www.mindat.org/min-10295.html e nemmeno su http://www.gemdat.org/gem-10295.html
Io penso che andrebbe aggiunta, ma non ho il livello giusto per poterlo fare
Ferdinando
3rd Mar 2016 16:01 UTCUwe Kolitsch Manager
"This material, when used as a gemstone, has been assigned a new formal commercial trade name by the Laboratory Manual Harmonization Committee (LMHC), a group of 7 gemmological laboratories worldwide - Paraíba Tourmaline, regardless of locality of occurrence."
3rd Mar 2016 16:13 UTCFerdinando Giovine
3rd Mar 2016 17:49 UTCUwe Kolitsch Manager
http://www.mindat.org/min-29238.html
It was defined as a synonym - have changed it now to a variety, so it will be easier to find.
3rd Mar 2016 20:25 UTCFerdinando Giovine
Ferdinando
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Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2024, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: May 9, 2024 17:46:38