Icelandic Spar

Icelandic Spar (also known as Calcite - Calcit - Calcite - Calcita ) Helgustaðir farther along the shore east of the village Eskifjörður, is world-famous. Polarizing light with Iceland spar from here, the 17th century Dutchman Huygens published discoveries on light as a phenomenon of waves. Evidence of former mining, Helgustaðanáma, makes a visit worthwhile, note [...]

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