Thanks for sharing the information! I think you'll really appreciate this website about Wilson Bentley, who is famous for photographing snowflakes and "discovered " that they are all unique! http://snowflakebentley.com/index.htm
From The Library of Congress: Is is true that no two snowflakes are alike? http://www.loc.gov/rr/scitech/mysteries/snowcrystals.html
Snowflake lover