Search Results for: Jewellery imitation of base metal
of contents what is tanzanite?
easier to market. the name "tanzanite" was given because the world's only known tanzanite deposit of commercial importance is in northern tanzania. the name reflects the gem's limited geographic origin. the mines are all located in an area of about eight square miles in the merelani hills, near the base...
https://geology.com/gemstones/tanzanite/