These strengths vary with the type of snow crystal and the bonding between them.

He first became interested in snow crystals as a teenager on his family farm.

Wind outside the dome blew snow crystals over each other.

Have you got any interesting observations of snow crystals over the winter?

The central spire was lost in a haze of snow crystals, miles high.

He could hear snow crystals beating on the window behind her.

This was the breakthrough that led to the production of the first artificial snow crystal.

Also, since they froze long ago, snow crystals and air bubbles inside are kept in good condition.

The result is not a true snow crystal but looks similar.

On either side spread the blanket of soft snow crystals.