Yes, ZEOLITES is a Scrabble word!

Letter values in Scrabble US: Z 10, E 1, O 1, L 1, I 1, T 1, E 1, S 1.

Is it a valid word?

ZEOLITES is a valid word in the official Scrabble dictionary (US), the UK Scrabble Dictionary and Words with Friends (ENABLE).

any of a family of glassy minerals analogous to feldspar containing hydrated aluminum silicates of calcium or sodium or potassium; formed in cavities in lava flows and in plutonic rocks