Optical Calcite Rhombohedron Icelandic Spar Mexico
Optical Calcite Rhombohedron Icelandic Spar Mexico
Optical Calcite Rhombohedron Icelandic Spar Mexico

Optical Calcite Rhombohedron Icelandic Spar Mexico

Regular price $36.87

Up for sale is this lovely Optical Calcite Rhombohedron which is also known as an Icelandic Spar. Calcite naturally cleaves into the rhombohedron shape.


The double-refraction property of this crystal was important to understanding the nature of light as a wave, which was studied by the likes of Isaac Newton and Christiaan Huygens.

This piece measures : 3.2” x 1.8” x  1.2” (82mm x 46mm x 29mm)

Weight: 292g

This piece was mined out of Nueva Leon, Mexico. 

The pictured item is the actual item that will be shipped.20-0014


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