Yes, TEXTURES is a Scrabble word!

Letter values in Scrabble US: T 1, E 1, X 8, T 1, U 1, R 1, E 1, S 1.

Is it a valid word?

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

the feel of a surface or a fabric
the essential quality of something
the musical pattern created by parts being played or sung together
the characteristic appearance of a surface having a tactile quality
the physical composition of something (especially with respect to the size and shape of the small constituents of a substance)