V2EX labradorescence

Labradorescence

定义 Definition

labradorescence拉长石光彩 / 拉布拉多闪光。指拉长石(及相关长石)表面在特定角度下出现的蓝、绿、金等变彩虹彩般的金属光泽,由矿物内部微细层状结构引起的光的干涉与散射所致。(该词也常被更广泛地用于描述“拉布拉多石”宝石的变彩效果。)

发音 Pronunciation (IPA)

/lbrdrsns/

例句 Examples

The pendant shows labradorescence when it catches the light.
这枚吊坠在光线照射下会显出拉长石光彩。

Under the museum spotlight, the stone’s labradorescence shifted from deep blue to flashes of green as she turned it.
在博物馆的聚光灯下,她转动那块石头时,石头的拉长石光彩从深蓝变成了闪烁的绿色。

词源 Etymology

词形来自 Labrador(拉布拉多) + -escence(“逐渐呈现……状态”的名词后缀)。拉长石最早在加拿大拉布拉多地区被系统记录与命名,这种“逐渐显现的光彩”特征因此得名 labradorescence

相关词 Related Words

文学与著作 Literary Works

  • *Manual of Mineralogy (after James D. Dana)*(矿物学经典教材,常用于解释拉长石光彩等光学现象)
  • Introduction to Mineralogy(矿物学入门教材,涉及拉长石及其特征光学效应)
  • Gemstones of the World(宝石学著作,讨论拉布拉多石的变彩与观赏价值)
  • Gem Identification(宝石鉴定类著作,常提及用“labradorescence”描述拉布拉多石的光学特征)
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