Calcite var. Iceland Spar
Calcite var. Iceland Spar from Helgustadir Mine, Eskifjord, Iceland
Collection John Betts - Fine Minerals
Description Transparent cleavage fragment of colorless Calcite variety Iceland Spar. The double refraction is clearly apparent in the blurry lines. Ex. Peter B. Nalle (1923-2010) collection #176; originally acquired in 1933.
Locality Helgustadir Mine, Eskifjord, Iceland
Dimensions 22 x 22 x 16 mm.
Specimen Grade A
Photograph © - All Rights Reserved.

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