Dioptase is valid Scrabble Word

Is dioptase a scrabble word?
Official Scrabble Players Dictionary YES
Official Tournament and Club Word List YES
Collins Scrabble Words YES
Is dioptase valid Words with Friends?
Words with Friends YES

Definitions for DIOPTASE in dictionary:

Words related to DIOPTASE

dioptases12

Words that contain DIOPTASE

dioptases12
Find what other words can be done using letters: "dioptase"
https://scrabble-word.com/finder/dioptase
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