https://www.youtube.com/watch?v=r-Pp30sk-Yo

https://www.youtube.com/watch?v=WuW-Je9HaOs

https://www.gemsociety.org/article/taafeite-jewelry-and-gemstone-information/

The originally discovered taaffeite came out of a lot of mauve spinels and weighed 1.419 carats; part of this stone was analyzed, and the remainder was recut into a gem of 0.55 carat. This was presented to the discoverer, Count Edward Charles Richard Taaffe, a Bohemian—Irish gemologist living in Dublin. A second stone identified as taaffeite weighed 0.86 carats and is now in the Geological Museum, London. A third taaffeite of 0.84 carats, identified at the Gemological Institute of America laboratory in New York, resides in the S1collection along with a dark brownish-purple gem of 5.34 carats. Many other stones have been identified, perhaps as many as 50. A Sri Lankan collector owns a flawless mauve oval weighing 13.22 carats. A 10.13 carat gray-mauve oval, lightly included, resides in another private collection, as well as a pink oval of 11.24 carats and numerous smaller stones. A Burmese taaffeite of 3.04 carats, also pale mauve has been reported.

https://www.worldatlas.com/articles/the-rarest-gemstones-on-earth.html

https://www.worldatlas.com/articles/the-rarest-gemstones-on-earth.html

https://bjordangemstones.blogspot.com/2013/05/very-rare-musgravite-or-is-it-taaffeite.html?showComment=1583321445956#c8786394966114122928