The monoclinic celsian phase in the matrix was produced in situ, during hot amphosous BAS.在热压期间,基体中的单斜相钡长石由玻璃态钡长石原位转变生成....

celsian的音标：celsian的英式发音音标为：['selsɪən]celsian的美式发音音标为：['selsɪrn]...

钡长石...