rock crystal

Colorless transparent quartz, used in optical instruments and as a semiprecious gemstone.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

rock crystal

(Minerals) a pure transparent colourless quartz, used in electronic and optical equipment. Formula: SiO2

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

rock′ crys`tal

transparent quartz, esp. when colorless.

[1660]

ThesaurusAntonymsRelated WordsSynonymsLegend:

Noun

rock crystal - a clear quartz used in making electronic and optical equipment

transparent quartz

quartz - a hard glossy mineral consisting of silicon dioxide in crystal form; present in most rocks (especially sandstone and granite); yellow sand is quartz with iron oxide impurities

rhinestone - an imitation diamond made from rock crystal or glass or paste

Translations

Bergkristall

rock crystal

n → cristallo di roccia

Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995

Mentioned in

References in classic literature

Parts were of nickel, parts of ivory, parts had certainly been filed or sawn out of rock crystal. The thing was generally complete, but the twisted crystalline bars lay unfinished upon the bench beside some sheets of drawings, and I took one up for a better look at it.

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The sarcophagus separated in two parts, lengthwise, and the lower part sank down and disclosed a coffin of rock crystal as clear as the atmosphere.

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Ice confined beneath the earth for a thousand years is transformed into rock crystals. Lead is the ancestor of all metals.

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The overall horse champion was Eskside Rock Crystal from Sue Williamson.

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And a 19th century rock crystal vase, which was given to Wilson by Pope Paul VI, soared to PS4,700 from a low estimate of PS1,500.

Royal links and THAT raincoat bring in PS200,000 at sale of Wilson's goods

From rock crystal necklaces, chiselled cocktail rings and stunning drop necklaces to huggie and Ottoman earhoops amongst others, Tay Jewellery has everything for anyone interested in hand-crafted retro style jewellery at an affordable price.

RETRO STYLE JEWELLERY ON DISPLAY

Upon operating the movement via a discreet lever at the base of the stand, a sense of theatre ensues as the boughs open to present the fine figurine of the Spirit of Ecstasy, hand-sculpted in frosted rock crystal, standing nobly in her opulent surrounds.

Video: Rolls-Royce debuts 'Spirit of Ecstasy' Faberge Egg

A rare conical helmet from Mongolia or China (13th -14th CE), a Phoenix-headed Ewer from the Tang Dynasty, China (8th CE), a rock crystal knife with a jewelled parrot from India (ca.

Louvre Abu Dhabi unveils new acquisitions and loans

Eliz go ca Gin 2 p mp | Elizabeth Gage, 18ct yellow gold brooch, pictured left, carved green beryl of The Green Man, rock crystal intaglio of a snowflake below, pearls either side of a gold myrtle leaf motif.

THE STOLEN ITEMS..

The jewellery is a round brooch set in gold with a centre stone of specially clear rock crystal specially cut for this piece, with 4.97 carat round brilliant diamond and 3.82 carat of Alex-andrite.

Qatari designer unveils special jewellery piece at EAA event

The jewellery is a Round Brooch set in gold with a centre stone of clear rock crystal specially cut for this piece, with 4.97 carat Round Brilliant Diamond and 3.82 carat of Alex-and rite.

Qatari designer presents 'Together for 10 Million'