- 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...
- 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...
- 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...
- (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...
- eye
Fibrous gold, red-brown or
bluish colored chalcedony,
exhibiting chatoyancy.
Opaque Cryptocrystalline P****lite
Green Transparent Macrocrystalline...
-
slightly iridescent effect known as
flame structure. The
effect is a form of
chatoyancy,
caused by the
interaction of
light rays with the
microcrystals in the...
- "cat's eye"; a
variety of the
mineral chrysoberyl Cat's eye effect, or
chatoyancy, the
reflective property of
certain gems Cat's Eye (novel), a 1988 novel...
-
Tactite Tiger's eye
Unakite Some
minerals made into
gemstones may
display a
chatoyancy or cat's eye effect,
these include:
Actinolite Andalusite Apatite Beryl...
