Lexic.us

¹ Source: wiktionary.com

Definition of Turquois

1. a greenish blue gem [n -ES]

Medical Definition of Turquois

1. A hydrous phosphate of alumina containing a little copper; calaite. It has a blue, or bluish green, colour, and usually occurs in reniform masses with a botryoidal surface. [Formerly written also turcois, and turkois. Turquoise is susceptible of a high polish, and when of a bright blue colour is much esteemed as a gem. The finest specimens come from Persia. It is also found in new Mexico and Arizona, and is regarded as identical with the chalchihuitl of the Mexicans. Origin: F. Turquoise; cf. Pr. & Sp. Turquesa, It. Turchese, turchina, LL. Turchesius, turchina; so called because first brought from Turkey. See 1st Turkey. Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Turquois

Literary usage of Turquois

Below you will find example usage of this term as found in modern and/or classical literature:

1. A System of Mineralogy: Descriptive Mineralogy, Comprising the Most Recent by James Dwight Dana, George Jarvis Brush (1889)
"A pale green turquois occurs in the Columbus district, Nevada. turquois receives a good polish, and is highly esteemed as a gem. The Persian king is said to ..."

2. A System of Mineralogy: Descriptive Mineralogy, Comprising the Most Recent by James Dwight Dana, George Jarvis Brush (1890)
"The green oriental turquois afforded Hermann only 5-64 р. с. of phosphoric acid, and is evidently a mechanical mixture, containing but little turquois. ..."

3. The System of Mineralogy of James Dwight Dana, 1837-1868: Descriptive Mineralogy by James Dwight Dana, Edward Salisbury Dana (1920)
"Natura"! turquois of inferior color is often artificially treated to give it ... Much of the turquois (not artificial) used in jewelry in former centuries ..."

4. A Glossary of Mineralogy by Henry William Bristow (1861)
"Analysis of blue Oriental turquois, by Hermann : Alumina .... 47'45 Phosphoric acid . ... The distinction is made in commerce between turquois and ..."

5. Contributions to Mineralogy and Petrography from the Laboratories of the by Samuel Lewis Penfield, Louis Valentine Pirsson (1901)
"In considering the chemical composition of turquois, it should be borne in mind ... In order to show, however, that turquois is a material of nearly uniform ..."

6. The System of Mineralogy of James Dwight Dana. 1837-1868: Descriptive Mineralogy by James Dwight Dana, Edward Salisbury Dana (1892)
"A pale green turquois occurs in the Sierra Nevada, five miles north of ... Natural turquois of inferior color is often artificially treated to give it the ..."

7. A Hand-book of Precious Stones by Meyer Daniel Rothschild (1889)
"turquois. The turquois is never found in crystals, but in reniform or stalactitic ... The hardness of the turquois is 6., specific gravity 2.6 to 2.8, ..."

Other Resources: