Olivine

Definitions

Any of a group of olive green magnesium-iron silicate minerals that crystallize in the orthorhombic system.

countable, uncountable

Equivalents

Examples

“The olivine crystals in most basalts are imperfect, lacking clear crystal faces.”

“To do so, his team mixed together limestone with a crushed silicate mineral that contains magnesium — such as olivine, an olive-tinted mineral that can be found around the world. When heated to furiously high temperatures in a kiln, calcium in the limestone and magnesium in the silicate jiggle and switch⟳ sides, like⟳ participants in a square dance⟳.”

CEFR level