The yarn may be distinctive, of unusual texture or color.

The unusual texture of the foliage is a reason for its growing popularity.

An unusual texture due, I imagine, to all the tubules.

It has a strong taste, and an unusual texture.

The dish has an unusual texture and an earthy appeal.

It was written on paper of an unusual texture.

At a glance, the walls appear to have an unusual embossed texture.

The music is full of eerie, searching passages and striking, unusual textures.

During the 1980s his paintings became more physical, and featured unusual textures and materials.

Not in a bad sense, but because there was so much unusual texture.