Charoite is a fairly rare, translucent lavender to purple mineral that is strictly massive (it does

Charoite is a fairly rare, translucent lavender to purple mineral that is strictly massive (it does not form individual crystals) in nature. It is found in only one single area in the Sakha Republic in Siberia. The stone has an unusual swirling, fibrous appearance and is sometimes chatoyant effect.  

Charoite available at: https://www.fossilera.com/minerals-for-sale/polished-charoite