Meaning of the word quartz in English

What does quartz mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

quartz

US /ˈkwɔːrts/
UK /ˈkwɔːts/

Noun

a hard mineral consisting of silica, found in many different types of rock

Example:
The geologist identified the crystal as quartz.
Many watches use quartz crystals for accurate timekeeping.