Measures about 4cm

Origin: Australia 

This is part of an old crystal collectors collection. 

A stunning natural Opal (Knobby) with iridescent shimmers of blue and green.

Opal is a hydrated Silica material. The name Opal comes from the Latin word 'opalus' meaning precious stone. Opals generally carry a gentle clearing energy, bringing good luck and nurture.

Images show front & back.

code:12