Aventurine feldspar
Aventurine A*ven"tu*rine, n. [F. aventurine: cf. It. avventurino.] 1. A kind of glass, containing gold-colored spangles. It was produced in the first place by the accidental (par aventure) dropping of some brass filings into a pot of melted glass. [1913 Webster]

2. (Min.) A variety of translucent quartz, spangled throughout with scales of yellow mica. [1913 Webster]

{Aventurine feldspar}, a variety of oligoclase with internal firelike reflections due to the presence of minute crystals, probably of hematite; sunstone. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • Aventurine — is a form of quartz, characterised by its translucency and the presence of platy mineral inclusions that give a shimmering or glistening effect termed aventurescence . The most common colour of aventurine is green, but it may also be orange,… …   Wikipedia

  • Aventurine — A*ven tu*rine, n. [F. aventurine: cf. It. avventurino.] 1. A kind of glass, containing gold colored spangles. It was produced in the first place by the accidental (par aventure) dropping of some brass filings into a pot of melted glass. [1913… …   The Collaborative International Dictionary of English

  • aventurine — /euh ven cheuh reen , rin/, n. 1. an opaque, brown glass containing fine, gold colored particles. 2. any of several varieties of minerals, esp. quartz or feldspar, spangled with bright particles of mica, hematite, or other minerals. Also,… …   Universalium

  • aventurine — [ə vɛntʃərɪn] noun 1》 brownish glass containing sparkling particles of copper or gold. 2》 translucent quartz or feldspar containing small reflective mineral particles. Origin C18: from Fr., from Ital. avventurino, from avventura chance (because… …   English new terms dictionary

  • aventurine — a•ven•tu•rine [[t]əˈvɛn tʃəˌrin, tʃər ɪn[/t]] also a•ven•tu•rin [[t] tʃər ɪn[/t]] n. 1) cer an opaque brown glass containing fine, gold colored particles 2) mir any of several varieties of minerals, esp. quartz or feldspar, spangled with bright… …   From formal English to slang

  • Sunstone — For other uses, see Sunstone (disambiguation). Sunstone General Category Crystal Chemical formula …   Wikipedia

  • Zolanite — is the trademarked name distributed by the MRST Gemstone Cartel. Zolanite is a plagioclase feldspar [http://www.gia.edu/gemsandgemology/18578/1556/465/back issue article detail.cfm] exhibiting in certain directions a brilliant spangled appearance …   Wikipedia

  • Aventurescence — In gemology, aventurescence (sometimes called aventurization) is an optical reflectance effect seen in certain gems. The effect amounts to a metallic glitter, arising from minute, preferentially oriented mineral platelets within the material.… …   Wikipedia

  • Oligoclase — from Chihuahua, Mexico General Category plagioclase, feldspar, tectosilicate …   Wikipedia

  • Sunstone — Sun stone , n. (Med.) Aventurine feldspar. See under {Aventurine}. [1913 Webster] …   The Collaborative International Dictionary of English

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