Dazu county , chongqing municipality celestite mining corporation chemical plant .

重庆市大足县天青石矿业公司化工厂。

Fu yun jiaxiang stone factory located in china 's three major celestite ( limestone ) base - shandong jiaxiang .

嘉祥福运石材厂位于中国三大天青石（石灰石）基地之一--山东嘉祥。

Celestite is usually diagenetic but commonly forms very early in the history of the sediment .

天青石一般是成岩期的，但通常是在沉积史的极早期形成的。