Gemmologie
 
Arusha
Arusha - Lake Manyara, Mayoka (Manyara) - émeraude, alexandrite, chrysobéryl, rubis
Arusha - Ngorongoro : Manghola - émeraude
Arusha - Ngorongoro - rubis
Arusha - Loliondo, Longido - aigue marine, héliodor, morganite
Arusha - Longido : Elkukulesilali, Lomwionyi, Mdarara, Olgira Hills - rubis
Longido - 100km Nord d'Arusha, route vers Nairobi - Rubis en Zoizite
Arusha - Longido - topaze
Arusha - Lelatema : Lelatema Mountains - grenat Rhodolite - Lelaterna Fault; rubis,
Arusha - Lelatema: Tiriti - quartz
Arusha - Lelatema: Lengasti - tourmaline
Arusha - Merelani - grenat, andalousite, diopside, tourmaline; Tsavorite
Arusha - Mbuguni , Merelani Block C - Afgem - zoizite - tanzanite Tanzanite One Ltd.
Arusha - Komolo - grenat tsavorite
Arusha - Lossongonoi Hill - rubis
Arusha - Kangala : Loiborsoit - grenat
Arusha - Tiriti - grenat, tourmaline
Arusha - Gelai: Kingiti - péridot
Arusha - Mbulu - quartz
Arusha - Babati - rubis, tourmaline
Arusha - Landanai : Titus Tsakiris - tourmaline
Arusha - Landanai - Rubis


Liens
Tsavorite de Merelani http://www.nhm.org/research/minsci/images/tsav.gif
Kilimanjaro
 
Tanga



Liens
Umba Valley saphirs http://www.faceters.com/rough/images/nat_umba_sap.jpg
Grenat umbalite http://www.minedirect.com/Images/FacetingCabbingRough/Garnet/Garnet-113F.jpg
G renat umbalite http://www.faceters.com/gemstones/images/tony_rhodo.jpg
Minéraux de vallée Umba http://www.mindat.org/rloc.php?loc=Umba+Valley%2C+Lelatema+Mts.%2C+Arusha+Region%2C+Tanzania
Morogoro



Liens
spinelle rose de Morogoro - brut
spinelle rouge de Morogoro - cristaux , article de GIA sur le spinelle rose
Rubis de Morogoro
http://www.gia.edu/gemsandgemology/18578/1547/464/back_issue_article_detail.cfm
Scapolite de Morogoro - Marasi
Spodumène - morogoro
Purpre scapolite Morogoro
Heliodore - Morogoro