quartz

IPA: kwˈɔrts

(mineralogy) The most abundant mineral on the earth's surface, of chemical composition silicon dioxide, SiO₂. It occurs in a variety of forms, both crystalline and amorphous. Found in every environment.
(uncountable, slang) Crystal meth: methamphetamine hydrochloride.

Examples of "quartz" in Sentences

He had had experience in quartz-mining before he went to
Say two hundred in quartz an 'dirt — that leaves two hundred pounds of gold.
Say two hundred in quartz an 'dirt -- that leaves two hundred pounds of gold.
Of course the yellow quartz should be sold under the proper name, _citrine quartz_.
In addition to amethyst and citrine quartz we have the pinkish, milky quartz known as "_rose quartz_."
He had had experience in quartz-mining before he went to Alaska, and he enjoyed the recrudescence of his old wisdom in such matters.
Then the reefs and ledges were attacked; crushing machinery was erected, and the form of work which you call quartz mining in America had its beginning.
He called some well-characterized species of _septaria_ in my cabinet _pudding-stone, _ beautiful specimens of limpid hexagonal crystals of quartz, _common quartz_, &c.Mr. George P. Marsh, of Vermont, brings me a letter of introduction.
You find tin wherever you like to cut down to one kind o 'rock as is what they call quartz, and where there's tin in it there's a lot o' red powder as well; and when you break a bit there's the tin, all in pretty little black shiny grains.