>NEW: Info to the keyword iolite | >discuss | >create link |
on Dec 30th 2004, 05:58:15, iolite wrote the following aboutiolite |
The Vikings used thin pieces of iolite as a polarizing filter. This enabled them to determine the exact position of the sun and so to navigate safely far out to sea. |
user rating: +23 |
If »iolite« is not at hand, what can one do? Write it down! |
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