Relating to or obtained through the use of a dichroscope, or describing the technique of observing the two-color property of minerals using such an instrument.
From 'dichroscope' + '-ic' (adjective suffix). This technical adjective entered scientific vocabulary in the 19th century alongside the development of gemological instruments.
A dichroscopic examination is fast and non-destructive, so jewelers can identify a stone's color properties in seconds without damaging it—perfect for valuable gems!
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