Related Clues:
- Birthstone for some Scorpios
- A gem of a lady?
- Certain gemstone
- Bringer of bad luck, in legend
- Shade of gray
- Australian gem
- Libra's stone
- It's less dense than quartz
- Iridescent mineral
- Certain birthstone
- Birthstone for 31-Across
- Gem with a play of colors
- Down Under gemstone
- Stone from Down Under
- Gemstone