Opalescence or play of color is the optical phenomenon displayed by the mineraloid gemstone opal, a hydrated silicon dioxide. Each of the three notable...

In physics, critical opalescence refers to the dramatic increase in scattering of light in the region of a continuous, or second-order, phase transition...

Colloidal silica gel with light opalescence...

1908 he was the first physicist to ascribe the phenomenon of critical opalescence to large density fluctuations. His investigations explained the blue...

explains why the sky is blue. Einstein quantitatively derived critical opalescence from a treatment of density fluctuations, and demonstrated how both the...

valuable as they do not have opalescence. Black opals and other precious opals are rarer, but much more valuable for their opalescence and other desirable optical...

mixing process of the glass' processing, giving the material a quality of opalescence. Opaline glass gets its distinctive iridescent milkiness from opacifying...

term opalescence is commonly used to describe this unique and beautiful phenomenon, which in gemology is termed play of color. In gemology, opalescence is...

popularly known as "cat's eye". This variety exhibits pleasing chatoyancy or opalescence that reminds one of the eye of a cat. When cut to produce a cabochon...

apparently calcium oxalate. Microscopy using polarized light shows bright opalescence with raphides. Plants like Tradescantia pallida also accumulate calcium...