| 释义 |
aventurine, -in|əˈvɛntjʊərɪn|
Also avant-.
[a. F. aventurine, ad. It. avventurino, f. avventura chance; so called from its accidental discovery.]
1. A brownish-coloured glass interspersed with small gold-coloured spangles, manufactured first at Murano, near Venice. Also called artificial aventurine, aventurine glass, gold flux.
1811Pinkerton Petral. II. 461 With an effect resembling aventurine. 1883W. Williams in Gentl. Mag. July 94 Aventurine..is a kind of glass of a pale brownish colour, brown pink I should call it. Bedded and suspended in this are innumerable brilliant gold-like spangles.
2. transf. A variety of quartz, spangled with yellow scales of mica, resembling the preceding in appearance.
1858Tennant Catal. Brit. Foss. 77 Earthy Minerals—Rock Crystal, Amethyst, Cairngorm, Avanturine. 1861C. King Ant. Gems (1866) 63 The true Aventurine, or Goldie-stone..takes a high polish. 1863Watts Dict. Chem. I. 476 Aventurin or Avanturin.
3. The colour or appearance of aventurine.
1791Hamilton Berthollet's Dyeing II. ii. iii. vii, The wax is coloured..for aventurine or gold-colour with orpiment.
4. attrib. aventurine glass (see 1); aventurine glaze, a glaze for porcelain which produces a similar gold-spangled brown colour; aventurine felspar or sunstone, a mixture of oligoclase and orthoclase spangled with yellowish or reddish crystals; aventurine quartz (see 2).
1875Ure Dict. Arts I. 277 Aventurine glass owes its golden iridescence to a crystalline separation of metallic copper from the mass coloured brown by the peroxide of iron. 1816Cleaveland Min. 269 Aventurine Feldspar..contains little spangles or points, which reflect a brilliant light. |