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Quartz
Answer for the clue "Quartz ", 5 letters:
chert
Alternative clues for the word chert
Word definitions for chert in dictionaries
Douglas Harper's Etymology Dictionary
Word definitions in Douglas Harper's Etymology Dictionary
"flint-like quartz," 1670s, of unknown origin. Apparently "a local term, which has been taken into geological use" [OED].
The Collaborative International Dictionary
Word definitions in The Collaborative International Dictionary
Hornstone \Horn"stone`\, n. (Min.) A siliceous stone, a variety of quartz, closely resembling flint, but more brittle; -- called also chert .
Wikipedia
Word definitions in Wikipedia
Chert is a fine-grained silica -rich microcrystalline , cryptocrystalline or microfibrous sedimentary rock that may contain small fossils . It varies greatly in color (from white to black), but most often manifests as gray, brown, grayish brown and light ...
WordNet
Word definitions in WordNet
n. variety of silica containing microcrystalline quartz
Wiktionary
Word definitions in Wiktionary
n. 1 (context geology uncountable English) Massive, usually dull-colored and opaque, quartzite, hornstone, impure chalcedony, or other flint-like mineral. 2 (context countable English) A flint-like tool made from chert.
Usage examples of chert.
Chert thought, was enough to make a person want to lie down on the ground, close his eyes, and become a blindworm Surely blindworms didnt have to put up with nonsense like this?
Chert didnt think fresh smallclothes would be the thing that woke the boy, but he knew very well his wife needed to do something.
II Plains Cimarron style point of Alibates chert and Bighorn red jasper.
Some varieties of chert contain beautiful patterns and colors, and the pillow basalt deposits are intriguing.
Good tool stone, like this quartzite, or a fine chert, well, it takes soul better.
Dream when your child is hungry, or has a question, or gets cut on a chert flake.
Heart beating, light failing, Wolf Dreamer used a chert flake from his pouch to cut open the gut cavity.
They sat silently for a while, One Who Cries running his eyes over the colorful chert, Singing Wolf shaving long slivers of wood from the foreshaft.
It was made from red-banded caramel-colored chert, its parallel sides ending in a keen point.
Schaine went to inspect a pair of Uldra lamps, carved from blocks of red chert in the distinctive Uldra style of reckless asymmetry.
Naroin returned to her own chief pastime, using sharpened pieces of chert to shave a tree limb into a primitive bow.
The basalt outcrop contained a gritty rock that flaked poorly, unlike the colorful cherts and fine-grained quartzite tool stone One Who Cries cherished.
For the singers all was ordinary tonight, even the threat of war and tales of Cherts weird adventures largely a diversion.
From South Ulfland came Grand Duke Erwig, with a birth-gift: a magnificent mahogany chest inlaid with red chert and blue turquoise.
His house in Burroughs was made of rare stones, as all the rich new houses were: a veritable castle of dark purple chert, inlaid with chalcedony and jade, rose quartz and jasper, its floors intricately flagged patterns of polished yellow slate, coral and bright turquoise.