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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. These platelets are so numerous that they also influence the material's body colour. In aventurine quartz chrome-bearing fuchsite produces a green stone, and various iron oxides produce a red stone.

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  • Aventurescence (en)
  • Awenturyzacja (pl)
  • 砂金效應 (zh)
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  • Awenturyzacja – migotliwy efekt świetlny przypominający iskrzenie, wywołany odbijaniem i rozpraszaniem światła na drobnych wrostkach (inkluzjach) mineralnych rozproszonych w macierzystym krysztale. Efekt ten ujawnia się w postaci migotliwych refleksów świetlnych o różnej barwie: czerwonej, pomarańczowej, żółtej, złotej, zielonej lub rzadziej niebieskiej. Wywołują go drobne, łuseczkowe wrostki; hematytu, goethytu, lepidokrokitu, pirytu, oraz mik: muskowitu, , biotytu, fuchsytu. (pl)
  • 砂金效應是寶石學中在某些寶石中看見的光學反射效應。這種效應取決於礦物內無機物小片的方向，在瞬間產生造成金屬的光澤。這種小片太多時也會影響到物體的色澤。在耀石英（星彩石英，實際上是一種石英）鉻影響的綠色石頭，各種氧化鐵使石頭呈現紅色。 aventurine和aventurescence是從義大利文的"a ventura"引申出來的，意味著"偶然"。這是暗指18世紀發現或砂金石是很偶然的。在發現耀石英和日長石之後，迄今砂金石仍以人工仿製生產。因為參雜有"硫酸銅"，砂金石有時會有淡淡的藍色。 (zh)
  • 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. These platelets are so numerous that they also influence the material's body colour. In aventurine quartz chrome-bearing fuchsite produces a green stone, and various iron oxides produce a red stone. (en)
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  • 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. These platelets are so numerous that they also influence the material's body colour. In aventurine quartz chrome-bearing fuchsite produces a green stone, and various iron oxides produce a red stone. The words aventurine and aventurescence derive from the Italian "a ventura", meaning "by chance". This is an allusion to the chance discovery of aventurine glass or goldstone at some point in the 18th century. Goldstone is still manufactured today as an artificial imitation of later discoveries aventurine quartz and aventurine feldspar (sunstone). (en)
  • Awenturyzacja – migotliwy efekt świetlny przypominający iskrzenie, wywołany odbijaniem i rozpraszaniem światła na drobnych wrostkach (inkluzjach) mineralnych rozproszonych w macierzystym krysztale. Efekt ten ujawnia się w postaci migotliwych refleksów świetlnych o różnej barwie: czerwonej, pomarańczowej, żółtej, złotej, zielonej lub rzadziej niebieskiej. Wywołują go drobne, łuseczkowe wrostki; hematytu, goethytu, lepidokrokitu, pirytu, oraz mik: muskowitu, , biotytu, fuchsytu. (pl)
  • 砂金效應是寶石學中在某些寶石中看見的光學反射效應。這種效應取決於礦物內無機物小片的方向，在瞬間產生造成金屬的光澤。這種小片太多時也會影響到物體的色澤。在耀石英（星彩石英，實際上是一種石英）鉻影響的綠色石頭，各種氧化鐵使石頭呈現紅色。 aventurine和aventurescence是從義大利文的"a ventura"引申出來的，意味著"偶然"。這是暗指18世紀發現或砂金石是很偶然的。在發現耀石英和日長石之後，迄今砂金石仍以人工仿製生產。因為參雜有"硫酸銅"，砂金石有時會有淡淡的藍色。 (zh)
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