Indicolite Tourmaline - no info available at site.
Diopside from Horado Mine, Gifu Prefecture, Japan [db_pics/pics/b631b.jpg]
Jeremejevite is a rare aluminium borate mineral with variable fluoride and hydroxide ions. Its chemical formula is Al₆B₅O₁₅(F,OH)₃. It occurs as a late hydrothermal phase in granitic pegmatites in association with albite, tourmaline, quartz and rarely gypsum.
Tanzanite from Merelani Hills, Lelatema Mtns., Arusha Region, Tanzania [db_pics/pics/af673a.jpg]
Tourmaline - Santa Rosa mine, Itambacuri, Doce valley, Minas Gerais, Brazil