CaZrBAl9O18
This sample of painite is displayed in the Smithsonian Museum of Natural History. Painite is a oxide mineral of zirconium and boron along with calcium and aluminum. It has the composition CaZrBAl9O18. The sample at left is 2.9 carats and is from Burma.
这种疼痛石样品陈列在史密森尼自然历史博物馆中。疼痛石是一种含锆、硼、钙和铝的氧化物矿物,其化学式为CaZrBAl₉O₁₈。左图所示样品重2.9克拉,来自缅甸。
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