Iceland Spar-Optical Calcite Rhomboid Cube amethyst weighs 241g and is 12

weighs 241g and is 12

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

heated amethyst citrine can be a lovely addition to your jewelry collection

boasts a soft

matte finish

Iceland Spar-Optical Calcite Rhomboid Cube amethyst weighs 241g and is 12Beautiful 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