Clue: Australia's national gemstones

Answer: OPALS

Length: 5

---

Similar Clues:

• Gemstones from South Australia (OPALS with 5 letters)
• Group that holds a National Senior Spelling Bee (AARP with 4 letters)
• National sports org. (AAU with 3 letters)
• Australia's national blossom (ACACIA with 6 letters)
• GMC SUV that shares its name with a national park (ACADIA with 6 letters)
• Multimillion-selling band from Australia (ACDC with 4 letters)
• Symbol used to mark England's National Trails (ACORN with 5 letters)
• Symbol marking England's National Trails (ACORN with 5 letters)
• Magazine of the National Space Society (ADASTRA with 7 letters)
• Quarterly magazine of the National Space Society (ADASTRA with 7 letters)