Relating to or containing diallage; composed of or characterized by the properties of diallage mineral.
From diallage + -ic (adjective suffix). The -ic ending converts the mineral noun into an adjective describing rocks or materials that contain or resemble diallage.
A 'diallagic' rock specimen is like nature's jewelry box—rocks containing diallage have this special shimmer that makes them stand out on a geologist's shelf, almost glowing under lab lights.
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