-
Opalescence or play of
color is an
optical phenomenon ****ociated with the
mineraloid gemstone opal, a
hydrated silicon dioxide. This
effect appears as...
- In physics,
critical opalescence refers to the
dramatic increase in
scattering of
light in the
region of a continuous, or second-order,
phase transition...
-
explains why the sky is blue.
Einstein quantitatively derived critical opalescence from a
treatment of
density fluctuations, and
demonstrated how both the...
- term
opalescence is
commonly used to
describe this
unique and
beautiful phenomenon,
which in
gemology is
termed play of color. In gemology,
opalescence is...
-
Colloidal silica gel with
light opalescence...
- anise) come out of
solution and
cloud the drink. The
resulting milky opalescence is
called the
louche (/luʃ/, French: 'opaque' or 'shady'). The release...
- 1908 he was the
first physicist to
ascribe the
phenomenon of
critical opalescence to
large density fluctuations. His
investigations explained the blue...
-
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...
- po****rly
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...
- bone ash to lead-crystal,
creating a semi-opaque gl**** with
reddish opalescence.
Opaline gl**** gets its
distinctive iridescent milkiness from opacifying...