star ruby
noun1
A ruby exhibiting asterism.
- Slung from his shoulders clanks a two-handed sword, the pommel a huge star-ruby carven in the image of a heart, for the heart is his sign and symbol.1922, E[ric] R[ücker] Eddison, The Worm Ouroboros: A Romance, London: Jonathan Cape […], →OCLC, page 7: