Why don't we consider ice cubes as crystals?

Ice crystals are solid ice exhibiting atomic ordering on various length scales and include hexagonal columns, hexagonal plates, dendritic crystals, and diamond dust. read more

Crystal by definition is a periodic arrangement of atoms. Thus periodicity, or the translational symmetry, is the defining symmetry of a crystal. read more

Short answer: Although it’s true that the clarity of the ‘parent’ water has an undeniable impact on the appearance of the ice cubes, whether they appear cloudy or crystal clear also largely depends on the temperature of the water that is used. read more