Related Clues:
- Australian mine finds
- Emeralds, e.g.
- Gems from Australia
- Opaque gems
- Green rocks
- Some green stones
- Gems that may be black
- May birthstones
- Varieties of aquamarine
- Silica stones
- October gems
- Aquamarines and emeralds
- Translucent gemstones
- Semi-precious stones of milky or bluish colour
- Milky gemstones with delicate colours