The crystal on the right has another, out-of-focus snowflake above it. The center detail on the left crystal is interesting!
Hollow column and plates These types of snow crystals form when the temperature in the clouds is just below freezing. All 3 of these fell together, this is not a "staged" photo!
These are hollow, hexagonal columns. These kinds of crystals form when the cloud temperature is 21 degrees F.
