adjective. Having a changeable luster.

noun. A chatoyant stone or gemstone, such as the cat's-eye.

Changing in luster or color, like a cat's eye in the dark.

noun. A kind of hard stone or gem having when cut and polished a chatoyant luster; cat′ s-eye.

noun. A hard stone, as the cat's-eye, which presents on a polished surface, and in the interior, an undulating or wary light.

adjective. Having a changeable, varying luster, or color, like that of a changeable silk, or oa a cat's eye in the dark.

adjective. Having a certain optical reflectance effect, which can be likened to the sheen of a spool of silk.

noun. A hard stone, such as the cat's-eye, which presents on a polished surface, and in the interior, an undulating or wavy light.

adjective. varying in color when seen in different lights or from different angles

"The varying colors and luster of the stones is called a chatoyant effect, and is due to internal microscopic hollow channels in the stone itself."

colorful  colourful  

chatoyancy  

achievements.'  acosmic  astrophysical  blu  glittery