Clue: A birthstone

Answer: OPAL

Length: 4

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Similar Clues:

• Its birthstone is the diamond: Abbr. (APR with 3 letters)
• Its birthstone is the diamond (abbr.) (APR with 3 letters)
• Autumn birthstone (OPAL with 4 letters)
• Birthstone of autumn (OPAL with 4 letters)
• August birthstone (e.g. CARNELIAN with 9 letters)
• An August birthstone (SARDONYX with 8 letters)
• Ancient May birthstones (AGATES with 6 letters)
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