Powdery

The hiker's shoes were covered in powdery dust after the trail.

The athlete's shoes were covered in powdery track dust after the race.

The chalkboard was covered in a powdery layer of white chalk dust.

The hiker stepped on a powdery rock that crumbled under his foot.

The clay was powdery and crumbly, making it difficult to sculpt.

Her powdery pink dress was perfect for the springtime wedding.

She chose a powdery yellow for the nursery walls.