Possible Clues:

• Well I'm blowed! Bald, shaved and pink!
• Lipstick shade
• Substance formed by skeletons of tiny sea creatures
• She got top marks at the exam
• Material from reef originally surrounded by blackish rock
• What's in mine are shortly all that's in 13 across
• Salmonesque color
• Jewelry material
• Pink, lilac or alabaster interior
• Kind of 25 half-heartedly put in pen