|
This sample of taafeite is displayed in the Smithsonian Museum of Natural History. Taafeite is an oxide mineral of beryllium, magnesium and aluminum. It has the composition Mg3BeAl8O16. This sample is about 1.5 cm and the gem is 5.3 carats. They are from Sri Lanka.
这种塔法石样品陈列在史密森尼自然历史博物馆中。塔法石是一种含铍、镁和铝的氧化物矿物,其化学式为Mg₃BeAl₈O₁₆。该样品大小约为1.5厘米,宝石重5.3克拉。它们来自斯里兰卡。
|