"opal" ၏ ဗမာ သို့ ဘာသာပြန်ဆိုချက်

(mineralogy) A mineral consisting, like quartz, of silica, but inferior to quartz in hardness and specific gravity, of the chemical formula SiO ₂ · nH ₂ O. [..]

A female given name from the precious stone, invented in the nineteenth century. [..]