Precious Gemstones
Ruby
Tanzanian rubies from Winza, Longido and Songea are prized for their vivid red to purplish-red hues. Supplied as faceted stones and rough, heat-treated to international standards.
Specifications
| Hardness | 9 (Mohs) |
|---|---|
| Origins | Winza, Longido (Mundarara mine), Loolera, Songea |
| Colors | Red, pinkish-red, purplish-red, dark red |
| Treatments | Heat treatment common |
| 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