'The only known source of a gemstone called tanzanite was discovered in 1967 on this continent'
Africa
GEMSTONES: The only known source of a gemstone called tanzanite was discovered in 1967 on this continent
The only known source of a gemstone called tanzanite was discovered in 1967 on this continent
The only known source of a gemstone called tanzanite was discovered in 1967 on this continent
GEMSTONES
Africa
GEMSTONES