Geological perception Testing
Vision alchemy lab

Experiments conducted in Iceland, December 2018
SIM artist residency

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Light and shadow study with Iceland spar (optical calcite)

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Visible spectrum studies with black volcanic rock and paint

Visible spectrum studies with black volcanic rock and paint

Visible spectrum studies with black volcanic rock and colored light

Visible spectrum studies with black volcanic rock and colored light

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Illustration of potential use of Iceland spar (optical calcite) as mythical “sólarsteinn” said to have been used by Vikings to navigate their ships and find North America. China ink and chalk powder.

Illustration of potential use of Iceland spar (optical calcite) as mythical “sólarsteinn” said to have been used by Vikings to navigate their ships and find North America. China ink and chalk powder.

Refraction tests with light, black sand and beached icebergs from Jökulsárlón.

Refraction tests with light, black sand and beached icebergs from Jökulsárlón.

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Iceland spar (optical calcite) tested within unmarked cave.

Iceland spar (optical calcite) tested within unmarked cave.

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View of the South from unmapped cave with ice crystals.

View of the South from unmapped cave with ice crystals.

Iridescence and light polarization tests with Icelandic spar (optical calcite)

comparative studies between calcite and icebergs, fig 1

comparative studies between calcite and icebergs, fig 1

comparative studies between calcite and icebergs, fig 2

comparative studies between calcite and icebergs, fig 2

sjónkalsít I optical calcite I Ísland sparnaður I Iceland spar

lodesteinn I lodestone I sólsteinn I sunstone

stein Í huga I stone of the mind

Light and shadow perception tests with volcanic rock, chalk and China ink.

Light and shadow perception tests with volcanic rock, chalk and China ink.

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