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Optical Calcite Sphere 7.6cm
Optical Calcite Sphere crystal for sale from Madagascar. This fabulous Optical Calcite Sphere is 7.6cm diameter and displays beautiful rainbows from within. There is evidence that the vikings used Iceland Spar which is its alternative name for navigation on their ships. You need the highest quality crystals to be able to carve shapes and this Madagascan piece is an excellent example. Ideal for the collector, healer or as an impressive display piece for interior decor.