Definition of quartz in English:
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).
- The sample is strongly foliated and consists of garnet, biotite, quartz, plagioclase and cordierite.
- Because they formed within the peat, coal balls generally contain very little detrital clay minerals and quartz.
- Adjacent to the gray quartz with acanthite and gold is sugary white quartz with massive galena.
Definition of quartz in:
- US English dictionary
What do you find interesting about this word or phrase?
Comments that don't adhere to our Community Guidelines may be moderated or removed.
Most popular in the US
Most popular in the UK
Most popular in Canada
Most popular in Australia
Most popular in Spain
Most popular in Malaysia
Most popular in Pakistan