MgAlBO
This sample of sinhalite is displayed in the Simpsonite Museum of Natural History. Sinhalite is a boron-containing oxide mineral of aluminum and magnesium. It has the composition MgAlBO. These gems are 100.9 and 109.8 carats and are from Sri Lanka.
这种sinhalite样本陈列在Simpsonite自然历史博物馆中。sinhalite是一种含有硼的铝和镁的氧化物矿物。其化学式为MgAlBO。这些宝石重100.9和109.8克拉,来自斯里兰卡。
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