CALCEDONY

Yes, CALCEDONY is a Scrabble word!

Letter values in Scrabble US: C 3, A 1, L 1, C 3, E 1, D 2, O 1, N 1, Y 4.C 3 · A 1 · L 1 · C 3 · E 1 · D 2 · O 1 · N 1 · Y 4

Is it a valid word?

• Scrabble US: valid, 17 points.Scrabble USYour dictionary · Change (go to the dictionary switch)Valid · 17 points
• Scrabble UK: valid, 17 points. Make Scrabble UK your dictionary.Scrabble UKYour dictionary · ChangeValid · 17 points
• Words with Friends: not a valid word. Make Words with Friends your dictionary.Words with FriendsYour dictionary · ChangeNot a valid word