Refers to naturally occurring inorganic substances with a definite chemical composition and crystal structure. Used in geology, mining, and everyday contexts.
Various minerals are mined in this region.
鉱物の結晶構造を顕微鏡で観察した。
I observed the crystal structure of the mineral under a microscope.
I collected some rare minerals in the mountains.
This water contains a lot of minerals.
You can see beautiful mineral crystals in that cave.
mineral facies
mineral matter; mineral substance