我国产出的曼纳德石(Mannardite)Ba(Ti6V2)O(16)

一九八○年,四川省地矿局中心实验室在研究四川甘孜白玉麻邛呷村多金属矿床的物质成分及银的赋存状态时,发现了一个新矿物,后命名为甘孜矿。经过较长时间反复研究,直到最近才决定报国际矿物协会(IMA)。但我国新矿物及矿物命名委员会告知,加拿大J.D.Scott等在一九八三年就以曼纳德石

The First Occurrence of Mannardite in China

Mannardite was discovered in China in 1981.but due to the valence state of Ti, the authors could not submit to the commission on new minerals and new mineral name,IMA earlier. Chemical,physical properties, X-ray powder diffraction and space group, unit cell constants are all the more or less iden- tical with those of mannardits. But there are differences in occurence and mi- neral association. For other minor differences one can find in the comparison table (table 2).