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The Viking Stone, Iceland Spar, Optical Calcite - 4
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Castle Rocks Cornwall
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Iceland Spar Calcite! Optical Calcite! Viking Sunstone? BIREFRINGENT! #crystals #illusion #science
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The Viking Stone, Iceland Spar, Optical Calcite - 4
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The Viking Stone, Iceland Spar, Optical Calcite - 3
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How a Viking sun stone works, using light polarised by reflection from ice. Sluneční kompas Vikingů....
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Iceland Spar Finds Solutions and Seeks The Root Of The Problem and Removes It #crystals #shorts
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How a Viking sun stone works, using light polarised by reflection . Sluneční kompas Vikingů.
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How a Viking sun stone works, using light polarised by air in the sky. Sluneční kompas Vikingů.
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Rare Golden #Calcite #Icelandic #Spar #Calcite #Crystal - used by the #Vikings as a navigation tool!
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