apatite

Wadeite is paragenic with aegirine, nepheline, arfredsonite, microcline and apatite, and associated with natrolite, rinkite and cancrinite.

与钠沸石、层硅铈钛矿、钙霞石等伴生.

1.Wadeite is paragenic with aegirine, nepheline, arfredsonite, microcline and apatite, and associated with natrolite, rinkite and cancrinite.

钾钙板石与霓石、霞石、钠铁闪石、微斜长石、磷灰石共生;

1.a metallic element of the rare earth group; used in lasers; occurs in apatite and monazite and xenotime and ytterbite.

稀土属金属元素，用于激光中，见于磷灰石、独居石、磷钇矿和硅铍钇矿中。

By measuring apatite fission tracks, the paleogeotemperature gradients in the Mesozoic and Tertiary in the Jiyuan Depression, North China Basin were estimated.

济源凹陷是勘探的前,许多油气基础质问题(如古温)需要解决。