Optical Calcite Pebble 194 grams

Optical Calcite Pebble, Crystal from Madagascar. This gorgeous hand made Optical Calcite Pebble is 6.6cm long it is made from high grade optical calcite and is extremelly tactile. 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.