Yes they can, however only if the cloud is a cirrus cloud. A good example of this is hail.
Cirrus clouds are primarily made out of ice crystals.
collection of millions of water droplets and ice crystals are - cloud
NOVEL STARS ANSWER: snow and ice crystals
ice pellets
Ice crystals inside of clouds are moved by circulating wind currents.
Ice Crystals
Mostly ice crystals.
it is water in a cloud which is
The thin and wispy cirrus cloud is made up of mostly ice crystals.
cirrus clouds
Cirrus clouds
snow and ice crystals