Tisbury Starstone Freeform Cabochon | 4.2cm | UK Stellar Beam Calcite Safe to water cleanse: Not

Safe to water cleanse: Not recommended

It forms in the oxidation zones of copper deposits and is closely associated with other copper minerals such as malachite

naturally resting on its side and showcasing dense crystallisation that adds texture

this one-of-a-kind specimen captures the delicate structure of ancient flora in stunning opalised detail

Tisbury Starstone Freeform Cabochon | 4.2cm | UK Stellar Beam Calcite Safe to water cleanse: NotTisbury Starstone Freeform Cabochon 4. 2cm UK A particularly interesting Tisbury Starstone cabochon from Wiltshire, UK, and one that rewards close looking. The shape is a tapering rectangle one edge wider than the other and the piece has been carved at a slight angle through the coral structure, which means the surface reveals both the classic circular star patterns and the fine feathering effect of the coral's radiating internal structure