BBC4 年
Tanzanite: Tanzanian miner becomes overnight millionaire
Tanzanite is only found in northern Tanzania ... its supply may be entirely depleted within the next 20 years. The precious stone's appeal lies in its variety of hues, including green, red ...
BBC4 年
Tanzanite: Tanzanian miner earns millions after second rare find
Tanzanite is only found in northern Tanzania ... its supply may be entirely depleted within the next 20 years. The precious stone's appeal lies in its variety of hues, including green, red ...
HowStuffWorks on MSN1 个月
Discover the Allure of Sagittarius Birthstone: Symbolism and Power
Sagittarius birthstone jewelry, like all precious gems ... blue-green hues of turquoise to the regal splendor of tanzanite, ...