(1) The sunset was making great splashes of fiery opalescence across the sky.

(2) Colorless transparent liquid, no mechanical impurities, allowing microstrip opalescence.

(3) Clinically affected teeth have a dark amber opalescence . The teeth undergo much attrition at an early age, as the enamel fractures away from the imperfectly formed underlying dentin.

(4) It was found by the ceramic archaeologists of the Fujian Provincial Museum that some vessels discovered in the Huaian kiln have light blue opalescence.

(5) In view of above-mentioned argument, the fractal mechanism of critical system and the critical opalescence phenomenon are interpreted.