刚玉的种类包括（红宝石、星光红宝石、蓝宝石、艳色蓝宝石、星光蓝宝石）。

The variety of boule includes ruby, starlight ruby, sapphire, beautiful sapphire and starlight sapphire.

youdao

成的星光红、蓝宝石。

Synthetic corundum may synthesize into sapphire and ruby.

youdao

成的星光红、蓝宝石。

Synthetic corundum may synthesize into sapphire and ruby.

youdao