Clue: Birthstones whose name starts with the same letter as their month

Answer: OPALS

Length: 5

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Similar Clues:

• Letters for the names "buried" in this puzzle's theme answers (RIP with 3 letters)
• Letters linking real and assumed names (AKA with 3 letters)
• Song that starts "My country, 'tis of thee" (AMERICA with 7 letters)
• Month that starts with a prank holiday (APRIL with 5 letters)
• It starts at a plate (and a hint to this puzzle's theme) (BASEBALLDIAMOND with 15 letters)
• Letter upon which this puzzle's theme is built (CEE with 3 letters)
• Letter switched to ess in this puzzle's theme (CEE with 3 letters)
• The starts of answers to asterisked clues are the most popular adult Halloween ones (COSTUMES with 8 letters)
• Thematic letter herein (ESS with 3 letters)
• Letter for which a curve is named (ESS with 3 letters)