Apedia

Quartz |Kwɔːts| Noun Hard Mineral Consisting Silica Found

Front quartz
|kwɔːts|
Back noun
a hard mineral consisting of silica, found widely in igneous and metamorphic rocks and typically occurring as colourless or white hexagonal prisms. It is often coloured by impurities (as in amethyst, citrine, and cairngorm).

Learn with these flashcards. Click next, previous, or up to navigate to more flashcards for this subject.

Next card: Rectangular |rɛkˈtaŋgjʊlə| adjective denoting shaped rectangle parts angles

Previous card: Noun prolific |prəˈlɪfɪk| adjective plant animal person producing

Up to card list: Most common TOEFL words