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Natural Snowflakes
  --Photo Gallery I
  --Photo Gallery II
  --Photo Gallery III
  --Guide to Snowflakes
  --Snowflake Books
  --Historic Snowflakes
  --Ice Crystal Halos
  --Snowflake Store
Designer Snowflakes
  --I: First Attempts
  --II: Better Snowflakes
  --III: Precision Snow
  --Snowflake Movies
  --Free-falling Snow
  --Designer's Page
Frost Crystals
  --Guide to Frost
  --Frost Photos
Snowflake Physics
  --Snowflake Primer
  --Snow Crystal FAQs
  --No Two Alike?
  --Crystal Faceting
  --Snowflake Branching
  --Electric Growth
  --Ice Properties
  --Myths and Nonsense
Snow Activities
  --Snowflake Watching
  --Photographing Snow
  --Make Your Own
  --Snowflake Fossils
  --Ice Spikes
  --Activities for Kids
Snowflake Touring
  --Snowflake Hot Spots
  --Northern Ontario
  --Hokkaido, Japan (2) (3)
  --Michigan U. P.
  --California Mountains
Copyright Issues
US Commemorative Snowflake Stamps

The United States Postal Service issued a commemorative set of four snowflake stamps on October 5th, 2006.  I took these pictures in Fairbanks, Alaska (upper right image), in Houghton, Michigan (lower left), and in northern Ontario (the other two).  Click on the image at left for a closer view.

These stamps are available at post offices across the country.  You can also order them online at  At that site, click on Buy Stamps & Shop, then search for "holiday snowflakes" (include the quotes).

My original photographs are shown at left.  They appear blue in these pictures because I illuminated the crystals with blue light (along with some white light and other colors for highlights).  Snow crystals are made of ice, which is clear and colorless, so they are basically the same color as the background.  The folks at the post office changed the colors a bit and digitally "cut out" the crystals and put them on a white background for the stamps.

A set of Austrian snowflake stamps were also made using my pictures, shown at left.

Return to was created by Kenneth G. Libbrecht, Caltech
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