Unique Calcite on Tanzanite Crystal 21.20ct

Description

This unique mineral specimen has a coating of white calcite around a natural and unheated tanzanite crystal. The tanzanite has a lighter color towards the termination of the crystal with the darker colors that are more saturated towards the base of the crystal. We believe that this is a natural and unheated mineral specimen. Weight: 21.20ct Measurements: 21mm x 14mm x 12mm