copper aventurine

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• 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 — [ə ven′chə rin] n. [Fr < It ( vetro) avventurino, aventurine (glass): so named from resembling the mineral avventurina (< avventura, chance), so named from its rarity: see ADVENTURE] 1. a kind of glass flecked with spangles, as from copper… …   English World dictionary

• Copper — For other uses, see Copper (disambiguation) …   Wikipedia

• aventurine — noun Etymology: French, from aventure chance more at adventure Date: 1811 1. glass containing opaque sparkling particles of foreign material usually copper or chromic oxide 2. a translucent quartz spangled throughout with scales of mica or other… …   New Collegiate Dictionary

• 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 — n. Mineral. 1 brownish glass or mineral containing sparkling gold coloured particles usu. of copper or gold. 2 a variety of spangled quartz resembling this. Etymology: F f. It. avventurino f. avventura chance (because of its accidental discovery) …   Useful english dictionary

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

• Malachite — For other uses, see Malachite (disambiguation). Malachite Malachite from the Congo General Category Carbonate mineral …   Wikipedia

• Goldstone (gemstone) — Goldstone is a type of glass made with copper or copper salts in the presence of a reducing flame. Under normal oxidative conditions, copper ions meld into the silica to produce transparent bluish green glass; when the reduced goldstone melt… …   Wikipedia

• Brass — For other uses, see Brass (disambiguation). Brass die, along with zinc and copper samples. Brass is an alloy of copper and zinc; the proportions of zinc and copper can be varied to create a range of brasses with varying properties.[1] In …   Wikipedia

• Cuivre — Pour les articles homonymes, voir Cu et Cuivre (homonymie). Cuivre Nic …   Wikipédia en Français