noun
asterism (gemmology); star pattern in gems
Technical term in gemmology for the optical star-shaped reflection seen in certain polished gemstones such as star sapphires.
スターサファイアに見られる星彩は、針状の内包物によって生じる。
The asterism seen in star sapphires is caused by needle-like inclusions.
noun
Original, now rare meaning referring to the light of stars. Mostly encountered in older or poetic contexts.
古い詩では、星彩が夜空の美しさを表す言葉として使われることがある。
In old poetry, 星彩 is sometimes used as a word to express the beauty of the night sky.