- 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...
- 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...
- eye
Fibrous gold, red-brown or
bluish colored chalcedony,
exhibiting chatoyancy. P****lite
Green Transparent Rutilated quartz Contains acicular (needle-like)...
- nannovoids, it is both
reflected and refracted,
producing a
multidirectional chatoyance.
Trapiche (disambiguation)
Wikimedia Commons has
media related to Trapiche...
- and the best of them
display a
shimmering optical effect related to
chatoyance known as 'flame structure'.[citation needed]
Somewhat similar gastropod...
- (orthoclase and sodium-rich plagioclase).
Polished moonstones often display chatoyancy ("cat's eye" effect),
where a
luminous streak appears through the stone...
- feathers.
Approximately 10 per cent of the
rough material would also
exhibit chatoyancy when polished. Most cut
pezzottaite gems are
under one
carat (200 mg)...
