Definition of Opal. Meaning of Opal. Synonyms of Opal

Here you will find one or more explanations in English for the word Opal. Also in the bottom left of the page several parts of wikipedia pages related to the word Opal and, of course, Opal synonyms and on the right images related to the word Opal.

Definition of Opal

Opal
Opal O"pal, n. [L. opalus: cf. Gr. ?, Skr. upala a rock, stone, precious stone: cf. F. opale.] (Min.) A mineral consisting, like quartz, of silica, but inferior to quartz in hardness and specific gravity. Note: The precious opal presents a peculiar play of colors of delicate tints, and is highly esteemed as a gem. One kind, with a varied play of color in a reddish ground, is called the harlequin opal. The fire opal has colors like the red and yellow of flame. Common opal has a milky appearance. Menilite is a brown impure variety, occurring in concretions at Menilmontant, near Paris. Other varieties are cacholong, girasol, hyalite, and geyserite.

Meaning of Opal from wikipedia

- Opal is a hydrated amorphous form of silica (SiO2·nH2O); its water content may range from 3% to 21% by weight, but is usually between 6% and 10%. Due to...
- Look up opal in Wiktionary, the free dictionary. Opal is a gemstone. Opal or OPAL may also refer to: Opal, Alberta Opal Hills, Jasper National Park, Alberta...
- Opal Irene Whiteley (December 11, 1897 – February 16, 1992) was an American nature writer and diarist who gained international fame for the publication...
- 2025. "'โอปอล' สุชาตา ช่วงศรี พลิกปมด้อยเป็นปมเด่น สู่เวทีผู้ประกวดสาวงาม" [Opal Suchata Chuangsri turns her weakness into strength on the beauty pageant...
- Opal is a contactless smartcard fare collection system for public transport services in the greater Sydney area. Operation of the Opal system is managed...
- Hurricane Opal was a large and powerful tropical cyclone that caused severe and extensive damage along the northern Gulf Coast of the United States in...
- Starburst (originally known as Opal Fruits) is the brand name of a box-shaped, fruit-flavoured soft taffy candy manufactured by The Wrigley Company, which...
- Opal was an American rock band in the 1980s. They were part of the Paisley Underground musical style. The band's name is derived from "Opel", a song by...
- OPAL (OPtimized Applicative Language) is a functional programming language first developed at Technische Universität Berlin. There is a later framework...
- The Opal (1851–1860) is a ten volume journal written, edited and printed by the patients of the Utica State Lunatic Asylum, circa 1851. On its more than...