moon·stone

(mo͞on′stōn′)

A variety of feldspar valued as a gem for its pearly translucence.

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.

moonstone

(ˈmuːnˌstəʊn)

1. (Minerals) a gem variety of orthoclase or albite that is white and translucent with bluish reflections

2. (Jewellery) a gem variety of orthoclase or albite that is white and translucent with bluish reflections

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

moon•stone

(ˈmunˌstoʊn)

n.

1. a semitransparent or translucent, opalescent, pearly blue variety of adularia, used as a gem.

2. any opalescent feldspar, as certain varieties of albite, labradorite, or oligoclase, used as gems.

[1625–35]

ThesaurusAntonymsRelated WordsSynonymsLegend:

Noun

moonstone - a transparent or translucent gemstone with a pearly luster; some specimens are orthoclase feldspar and others are plagioclase feldspar

feldspar, felspar - any of a group of hard crystalline minerals that consist of aluminum silicates of potassium or sodium or calcium or barium

transparent gem - a gemstone having the property of transmitting light without serious diffusion

Translations

Mondstein

pietra di luna

moonstone

[ˈmuːnstəʊn] N → feldespato m, labradorita f

Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

moonstone

[ˈmuːnˌstəʊn] n → lunaria, pietra della luna

Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995

Mentioned in

References in classic literature

Partly from its peculiar colour, partly from a superstition which represented it as feeling the influence of the deity whom it adorned, and growing and lessening in lustre with the waxing and waning of the moon, it first gained the name by which it continues to be known in India to this day--the name of THE MOONSTONE. A similar superstition was once prevalent, as I have heard, in ancient Greece and Rome; not applying, however (as in India), to a diamond devoted to the service of a god, but to a semi-transparent stone of the inferior order of gems, supposed to be affected by the lunar influences--the moon, in this latter case also, giving the name by which the stone is still known to collectors in our own time.

The deity commanded that the Moonstone should be watched, from that time forth, by three priests in turn, night and day, to the end of the generations of men.

One age followed another--and still, generation after generation, the successors of the three Brahmins watched their priceless Moonstone, night and day.

The generations succeeded each other; the warrior who had committed the sacrilege perished miserably; the Moonstone passed

View in context

Moonstone is a sodium potassium aluminum silicate with the chemical formula (Na,K)AlSi3O8 and belongs to the feldspar group.

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However, after receiving a rejection from William Siddis, the school her father is keen for her to go to, Kit decides to go and visit her estranged grandfather at Moonstone Costume Museum.

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I'm lusting over their Moonstone collection which looks fab with this week's get the look.

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Anna Stonehouse has created the make-up brand 'Moonstone' in her home village of Allendale, after noticing the rise in popularity for mineral-based make-up.

Smiles all round over new natural make-up

Anna Stonehouse has created the makeup brand "Moonstone" in her home village of Allendale, after noticing the rise in popularity for mineral based makeup.

Mineral-based makeup brand launches after being developed in rural Northumberland; Allendale's Anna Stonehouse has developed her own range of makeup called Moonstone

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