Meaning of "omphacite" in the English dictionary

PRONUNCIATION OF OMPHACITE

omphacite  [ˈɒmfəˌsaɪt]

GRAMMATICAL CATEGORY OF OMPHACITE

Omphacite is a noun.

A noun is a type of word the meaning of which determines reality. Nouns provide the names for all things: people, objects, sensations, feelings, etc.

WHAT DOES OMPHACITE MEAN IN ENGLISH?

Omphacite

Omphacite is a member of the pyroxene group of silicate minerals with formula: Si2O6. It is a variably deep to pale green or nearly colorless variety of pyroxene. Omphacite compositions are intermediate between calcium-rich augite and sodium-rich jadeite. It crystallizes in the monoclinic system with prismatic, typically twinned forms, though usually anhedral. Its space group is distinct from that of augite and jadeite. It exhibits the typical near 90° pyroxene cleavage. It is brittle with specific gravity of 3.29 to 3.39 and a Mohs hardness of 5 to 6. It is a major mineral component of eclogite along with pyrope garnet and also occurs in blueschist facies and UHP metamorphic rocks. It also occurs in eclogite xenoliths from kimberlite as well as in crustal rocks metamorphosed at high pressures. Associated minerals in eclogites include garnet, quartz or coesite, rutile, kyanite, phengite, and lawsonite. Minerals such as glaucophane, lawsonite, titanite, and epidote occur with omphacite in blueschist facies metamorphic rocks. The name "jade," usually referring to rocks made of jadeite, is sometimes also applied to rocks consisting entirely of omphacite.

Definition of omphacite in the English dictionary

The definition of omphacite in the dictionary is A type of green, foliated mineral.

TRANSLATION OF OMPHACITE

Find out the translation of omphacite to 25 languages with our English multilingual translator.

The translations of omphacite from English to other languages presented in this section have been obtained through automatic statistical translation; where the essential translation unit is the word «omphacite» in English.

• Translator English - Chinese: 绿辉石
• Translator English - Spanish: omphacite
• English: omphacite
• Translator English - Hindi: omphacite
• Translator English - Arabic: omphacite
• Translator English - Russian: омфацит
• Translator English - Portuguese: onfacita
• Translator English - Bengali: omphacite
• Translator English - French: omphacite
• Translator English - Malay: Omphacite
• Translator English - German: Omphazit
• Translator English - Japanese: オンファス輝石
• Translator English - Korean: omphacite
• Translator English - Javanese: Omphacite
• Translator English - Vietnamese: omphacite
• Translator English - Tamil: omphacite
• Translator English - Marathi: ऑफॅक्साइट
• Translator English - Turkish: omfasit
• Translator English - Italian: omphacite
• Translator English - Polish: omphacite
• Translator English - Ukrainian: омфаціт
• Translator English - Romanian: omphacite
• Translator English - Greek: omphacite
• Translator English - Afrikaans: omphacite
• Translator English - Swedish: omphacite
• Translator English - Norwegian: omphacite

10 ENGLISH BOOKS RELATING TO «OMPHACITE»

Discover the use of omphacite in the following bibliographical selection. Books relating to omphacite and brief extracts from same to provide context of its use in English literature.

An Introduction to Mineral Sciences

Jadeite - omphacite - diopside In high pressure crustal rocks pyroxenes are enriched in Al in octahedral coordination, as in jadeite NaAlSi2O6 which has the C2/c diopside structure with Al in Ml sites and Na in M2 sites. Above about 700°C  ...

Andrew Putnis, 1992

Single-chain Silicates

Scanning electron microscope photographs of the alteration of omphacite are given by Wikstrdm (1971). Two chemically and texturally distinct symplectic clinopyroxenes derived from the omphacite in the Hareidland eclogite, western Norway ...

William Alexander Deer, Robert Andrew Howie, J. Zussman, 1997

Rock-forming Minerals

the amphibole and garnet, omphacite, zoisite and kyanite. Amphibole 2 is present as large poikiloblasts overgrown on the other eclogite phases. This amphibole contains vermicular inclusions of quartz, and displays a discordant relationship ...

William Alexander Deer, Robert Andrew Howie, J. Zussman, 1997

Ultrahigh-pressure Metamorphism: Deep Continental Subduction

Garnet-Bearing Lawsonite Blueschist The garnet-bearing lawsonite blueschist is petrographically similar to the type II lawsonite eclogite, but has <10 vol% omphacite. It has a similar mineral assemblage of glaucophane, lawsonite, and garnet ...

Bradley R. Hacker, William C. McClelland, J. G. Liou, 2006

Mineralogy: Proceedings of the 30th International Geological ...

P. R. China Abstract The microstructural characteristics of naturally deformed omphacite from the high-pressure (HP) and ... It has been found that the principal structural form of omphacite has an ordered structure P2, cell parameters: ...

Huang Yunhui, Cao Yawen, 1998

Blueschists and Eclogites

At this level in the metamorphic sequence across the omphacite isograd, the three interbedded lithologies with contrasted bulk compositions contain quite different mineralogies. These are listed below; retrograde minerals, identified from ...

Bernard W. Evans, Edwin H. Brown, 1986

Convergent Margin Terranes and Associated Regions: A Tribute ...

Chlori- tized garnet and pale-greenish omphacite-rich matrix are visible on the well-polished surface. Thin-section observation indicates that the specimen is a coarse-grained, massive metabasite characterized by unusually abundant ...

Mark Cloos, 2007

Continental Tectonics

The Boudin core The core of the boudin contains a coarse omphacite groundmass with (c. 2-3 mm) garnet porphyroblasts (M lb). This paragenesis appears to have grown in a distinct period of meta- morphic mineral growth. The core has a ...

Conall Mac Niocaill, Paul Desmond Ryan, 1999

Laser Ablation ICP-MS in Archaeological Research

Dark Omphacite/Analcite Bishop source sample Group 4 JS71 Middle Motagua Mot. Exc. Jadeite/Albite Bishop source sample Unassigned JA287 Holmul Unassigned JA301 Terzuola Mot. Light Jadeite/Albite Unassigned JA456 El Cajon Mot.

Robert J. Speakman, Hector Neff, 2005

Geochronology: Linking the Isotopic Record with Petrology ...

follows: (1) eclogite: garnet + omphacite (Jd = 60) + rutile + quartz + zoisite; (2) bio- tite paragneiss: garnet (almandine-rich) + phengite (Si = 3.4 to 3.6 pfu) + plagioclase (An =16 to 29) + epidote + rutile/titanite + biotite; (3) granitic orthogneiss: ...

Derek Vance, Wolfgang Müller, Igor M. Villa, 2003

3 NEWS ITEMS WHICH INCLUDE THE TERM «OMPHACITE»

Find out what the national and international press are talking about and how the term omphacite is used in the context of the following news items.

Africa's first nano computer tomography scanner opens the way for …

... rock comprising olivine and pyroxene minerals and eclogite is a metamorphic rock comprising pyroxene omphacite and pyrope-rich garnet. «Creamer Media's Mining Weekly, Feb 15»

Omphacite – Occurrence, Properties and Distribution

Omphacite was discovered in 1815 at the Ecolgite outcrops. It is named after the Greek word for an unripe grape, in allusion to its green color. «Azomining, May 14»

Earth's Crust Does the 'Caterpillar Walk'

(Side) Eclogite is a metamorphic rock with a mixture of garnet (almandine-pyrope) and a green matrix of sodium-rich pyroxene (omphacite), this ... «Discovery News, Mar 13»