Iceland Spar

Here is a specimen of Iceland spar (calcite) that has gem clarity, and clearly shows the characteris.....

This polished rhombohedral crystal cleavage of Iceland spar is an unusually colorful golden yellow, .....

This bright, highly polished gem calcite rhombohedron is water-clear, making it easy to see it perfo.....

Most Iceland spar on the market today is somewhat milky, while this one from Brazil is water clear a.....

Here is a beautiful specimen of Iceland spar, a polished rhombohedron of water-clear gem calcite wit.....

The gem clarity of this material is fascinating, as are the colorful rainbows created when light pas.....

This polished rhombohedron of Iceland spar is a totally  clear and highly aesthetic specimen of.....

This rhombohedral crystal cleavage of Iceland spar is an unusually colorful honey-like golden yellow.....

This polished gem calcite rhombohedron is 4" from tip to tip (2.7" on the longest side).  It is.....

Here is a gemmy cleaved rhombohedron of Iceland spar (calcite).  The color is a rich pink with .....

Measuring 4.3" from corner to corner, this is a lovely pink specimen of Iceland spar, a cleaved rhom.....

This rhombohedral Iceland spar is an unusually clear and highly aesthetic specimen of optical qualit.....

Here is a large, gemmy, clear, cleaved rhombohedron of Iceland spar (calcite) from Mexico.  It .....

Here is a gemmy yellow specimen of see-through of Iceland spar (calcite).  It is 4.4" from tip-.....

Measuring 4.5" from corner to corner, this is a very pretty pastel pink specimen of Iceland spar, a .....

This rhombohedral crystal cleavage of Iceland spar is an unusually colorful yellow, and is a highly .....

This rhombohedral Iceland spar is an unusually clear and highly aesthetic specimen of optical qualit.....

This specimen of Iceland spar (calcite) has good clarity, and clearly shows the characteristic doubl.....

This specimen of Iceland spar (calcite) has good clarity, and a very rich golden yellow color. .....

This specimen of Iceland spar (calcite) has good clarity, and a very rich golden yellow color. .....