Topaz occurs in the igneous rock rhyolite.

黄晶通常产于火成岩岩石纹。

Trap rock is a form of plutonic igneous rock.

暗色岩是一种火成岩。

Plutonic igneous rock having visibly crystalline texture.

深成火成岩石，有明显的晶体纹理。

Extrusive igneous rock solidified near or on the surface of the earth.

在地球表面或附近凝固的火成岩。

Any igneous rock with crystals embedded in a finer groundmass of minerals.

任何含有嵌入致密的矿物基质的火成岩。