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Ice vase - Feb 2002
Ice vase - Jan 2004
Ice tower - Mar 2004
Ice pegs - 2007-8
Ice spike - Jan 2008
Ice spike - Dec 2008
Ice spikes - Dec 2008
Ice spikes - Feb 2009
Ice needle - Feb 2009
Ice triangles
Ice hair - Jan 2005
Brian Maginn's ice spike
Jon Nelson's ice vase
Stefan's 150mm ice spike

For more information see:

SnowCrystals.com
and
Ice spikes

also

Scientific American
Create ice spikes
Icicles in reverse

Ice spike 22nd January 2008

This ice spike appeared in our paint tray birdbath on 22nd January 2008.
It was triangular in cross-section and about 35mm in height.
The first two pictures show the spike in situ, and the remaining 3 pictures were taken after it had been removed from the tray.
As can be seen in the last 3 pictures, it was hollow, though closed at the top.












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