Iceland Spar-Optical Calcite Rhomboid Cube amethyst Full of shimmering sparkle and

Full of shimmering sparkle and delicate white "snowflake" inclusions throughout

matte finish

which symbolised power

weighs 241g and is 12

boasts a soft

Iceland Spar-Optical Calcite Rhomboid Cube amethyst Full of shimmering sparkle andBeautiful Rainbow filled Iceland Spar Optical Calcite Rhomboid Cube This beautiful large high grade Iceland spar cube is a great example of optical clarity, allowing for a stunning display of gorgeous internal rainbows as light plays within its perfectly formed structure. Its beautiful transparency highlights the captivating double refraction effect, a hallmark of this unique calcite variety. Quite rare to get this size intact Weighs 908g and is 13cm