To: decimon
I read the article, but did not find what an” Icelandic Spar” was. Do you know?
4 posted on
11/01/2011 9:10:25 PM PDT by
Graewoulf
( obama"care" violates the 1890 Sherman Anti-Trust Law, AND is illegal by the U.S. Constitution.)
To: Graewoulf
Iceland spar is a clear, crystalized form of calcite. It is best know for its property of double refraction.
6 posted on
11/01/2011 10:11:36 PM PDT by
ApplegateRanch
("Public service" does NOT mean servicing the people, like a bull among heifers.)
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