| Front | 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). |
|---|---|
| Back | quartz |
Learn with these flashcards. Click next, previous, or up to navigate to more flashcards for this subject.
Next card: Adjective denoting shaped rectangle parts angles rectangular
Previous card: Adjective plant animal person producing fruit foliage offspring
Up to card list: Most common TOEFL words