| STARRUBY | A precious scarlet cabochon gem named for manifesting the estoile-like phenomenon called asterism (4,4) |
| BARNEYSTONE | Gem named for a dinosaur? |
| ELGIN | Small city manifesting the foreign spirit |
| ASTEROID | Comet-like phenomenon in space (8) |
| URSA | ___ Major, Latin name for the constellation that contains the Big Dipper asterism (4) |
| STAR | Any one of the celestial objects forming an asterism (4) |
| AURORA | Upper atmosphere phenomenon called the Northern Lights, ... borealis |
| EXISTENCE | Old, I sat, He knocked - odd phenomenon called Life (9) |
| MOONSTONES | Gems named for their visual effect and not for their place of origin |
| STARLET | Word for a small galactic estoile; a species of cushion-like miniature "asteroid"; an aspiring young actress; or, a promising rookie (7) |
| SPIKE | Slang for a workhouse; its casual ward; a dosshouse or other shelter of last resort; or, a wheel-rung-like pointy thing manifesting in the form of an ear of corn, hypodermic needle, long metal nail or |
| ASTERIAS | Gems such as star sapphires that exhibit bright star-like effects when cut en cabochon; or, the genus of the common starfish (8) |
| DIPPER | Another name for a water ouzel; a small cup clipped on to an artist's palette for diluent; or, the Plough asterism (6) |
| VEGA | Forming the Summer Triangle asterism with Altair and Deneb, the brightest star in the northern constellation Lyra the "lyre" (4) |
| ALMANDINE | Violet-red variety of garnet known as a carbuncle when cut with a rounded convex face (en cabochon) (9) |
| DENEB | Brightest star in the constellation Cygnus, forming the head of the five-star asterism the Northern Cross (5) |
| SMOKE | "Ghost of a fire" manifesting as a cloud of carbon particles suspended in the air; grey tinged with blue; a woodbine or other smouldering burn; or, anything that fogs or obscures (5) |
| ORION | Containing an asterism formed by the three stars Alnitak, Alnilam and Mintaka, a constellation named after a mythological Greek hunter (5) |
| BIGDIPPER | A rollercoaster; or, the US name for Ursa Major's asterism also known as Charles's Wain or the Plough (3,6) |
| CARBUNCLE | Deep red gemstone, especially a garnet cut without facets (en cabochon) (9) |