Polariscope

Gem Identification

Definition

An instrument using two polarizing filters to determine whether a gemstone is singly refractive (isotropic) or doubly refractive (anisotropic), and to detect strain or optical anomalies.

Detailed Explanation

使用两个偏振滤片的仪器，用于判断宝石是单折射（各向同性）还是双折射（各向异性），并检测应力或光学异常。

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