Blue ice (glacial)
Blue ice is a form of ice that occurs in a glacier. It has been highly compressed by the weight of the overlying snow such that the ice crystals become enlarged. It is this enlargement that is responsible for the ice's blue color.
Blue ice is a form of ice that occurs in a glacier. It has been highly compressed by the weight of the overlying snow such that the ice crystals become enlarged. It is this enlargement that is responsible for the ice's blue color.