Robuta

https://www.abijoux.com/tourmaline-10-55-ct-en.htm Tourmaline. 10.55 ct. Sahatany Valley, Ibity, Madagascar Tourmaline. 10.55 ct. Sahatany Valley, Ibity, Madagascar tourmalinevalleyibitymadagascar https://www.minfind.com/mineral-1670953.html minfind.com - Bityite and Cookeite on Quartz from Tsarafara Sud, Sahatany Valley, Ibity, Antsirabe... bityitecookeitequartzsudvalley https://www.gemdat.org/loc-58077.html Tsarafara Sud (Ankadilava), Sahatany Valley, Ibity, Antsirabe II District, Vakinankaratra,... The web's most comprehensive and regularly updated gemogy database with information on gems from around the world and thousands of photos antsirabe ii districtsudvalleyibityvakinankaratra