quartz
UK[kwɔːts]US[kwɔːrts]
n
a hard, typically transparent mineral consisting of silicon dioxide, found widely in igneous, metamorphic, and sedimentary rocks.
n
(as modifier) relating to or made of quartz, especially in the context of timepieces.
Etymology
the word 'quartz' entered english in the mid-18th century from german 'quarz', which itself is of slavic origin, related to czech 'tvrdý' meaning 'hard' and polish 'twardy' with the same meaning. this etymology directly reflects the mineral's most prominent physical property. the german term likely evolved from a west slavic source via middle high german 'quarz', referring to the hard, crystalline mineral found in the ore mountains of central europe. its adoption into english coincided with advances in mineralogy, solidifying its specific scientific meaning.
Analysis
the word is a simplex loanword. it cannot be meaningfully segmented into productive morphemes within modern english spelling.
Examples
the countertop was made of polished rose quartz.
the watch features a highly scratch-resistant quartz crystal.
amethyst is a purple variety of quartz often used in jewelry.