Precious Gemstones
Sapphire
Tanzanian sapphires span a full spectrum of colors from the Songea, Tunduru and Umba deposits. Available faceted or rough across blue, yellow, green, pink, purple and orange varieties.
Specifications
| Hardness | 9 (Mohs) |
|---|---|
| Origins | Songea, Tunduru, Umba River, Winza, Kibuko, Amani Makoro |
| Colors | Blue, yellow, green, pink, purple, orange |
| Treatments | Heat treatment; beryllium diffusion for Songea sapphires |
| Load Port | Dar es Salaam (JNIA) |
| Target Markets | India, USA, Thailand, China, UAE |
Harvest Seasonality
Highlighted months indicate peak harvest availability. The current month is outlined.
J
JanF
FebM
MarA
AprM
MayJ
JunJ
JulA
AugS
SepO
OctN
NovD
Dec