Grenat

 
Arusha - Kangala : Loiborsoit ; Komolo; Lelatema Mountains; Merelani; Tiriti; Dodoma - Mpwapwa;
Kilimanjaro - Pare Mountains; Same : Lemkuna;
Lindi -: Luisenfelde, Nambunju; Ruangwa;
Morogoro - Magogoni, Mahenge, Mvuha; Mhwara - Masasi: Namapula; Ruvuma - Tunduru; Tanga - Handeni; Tanga - Kalalani; Tanga - Umba Valley; Tanga - Usambara Mountains
 
Kalalani - almandine, tsavorite
Umba - umbalite
Umba - malaya
Makanya - rhodolite
Merelani - tsavorite
 
Identification : isotrope - extinction anormale; le spectre d'absorption, les inclusions,