Iridescent Calcite Specimen - Oskaloosa, USA #3 Location_Tanzania Rare Cervical Vertebra from a

Rare Cervical Vertebra from a Spinosaur Dinosaur (Spinosaurus sp

although there is some disputing this

This piece is a full section of an Ammonite

though it is still a mystery how they transported such huge stones for such a long way

This Dragon Scale Obsidian is a rare find from Armenia

Iridescent Calcite Specimen - Oskaloosa, USA #3 Location_Tanzania Rare Cervical Vertebra from aThis beautiful iridescent Calcite specimen is from Oskaloosa, Iowa, USA and has gorgeous iridescent crystals giving a colourful sheen, caused by a thin film of Goethite coating the Calcite. You will receive the exact Calcite crystal pictured. Calcite is found all over the world in a variety of forms and colours, often in combination with other minerals. The more common forms of Calcite are Orange, Blue, Green and Yellow, Iceland Spar is a clear double