- In gemology,
chatoyancy (/ʃəˈtɔɪ.ənsi/ shə-TOY-ən-see), also
called chatoyance or the cat's eye effect, is an
optical reflectance effect seen in certain...
- in battle. Gems are
usually given a
cabochon cut to best
display their chatoyance. Red
stones are
developed by
gentle heat treatments. Dark
stones are artificially...
- China,
where it is
mined for use as a
decorative stone due to its
chaotic chatoyancy and
brecciated structure.
Ranging in
colour from brownish-red, to blue-grey...
- nanovoids, it is both
reflected and refracted,
producing a
multidirectional chatoyance.
Trapiche (disambiguation)
Wikimedia Commons has
media related to Trapiche...
- phenomena, such as
asterism (the
display of a star-shaped
luminous area) or
chatoyancy (the
display of
luminous bands,
which appear to move as the
specimen is...
-
apparently acquired its name due to its
resemblance to
feathers due to its
chatoyancy.
Seraphinite is
named after the
biblical seraphs or
seraphim angels. With...
- caves.
Satin spar is
sometimes cut into
cabochons to best
display its
chatoyance.
Crystal habit refers to the
shapes that
crystals exhibit.
Selenite crystals...
-
differentiate between different types of gemstone, due to the
unique chatoyance each
individual stone displays. A
refractometer is the
instrument used...
- (orthoclase and sodium-rich plagioclase).
Polished moonstones often display chatoyancy ("cat's eye" effect),
where a
luminous streak appears through the stone...
-
rubies can show
color changes—though this
occurs very rarely—as well as
chatoyancy or the "cat's eye" effect. Generally, gemstone-quality
corundum in all...