A rare potassium calcium sodium silicate with a fibrous, swirling purple structure. Mohs 5-6. One source: the Murun massif on the Chara River, Sakha Republic (Yakutia), Russia; described in 1978. It's a rock: black aegirine, orange tinaksite and white feldspar sit in the purple.
2 strands in stock: Oval, Barrel, smooth. Prices are per strand from our latest count; tell us the code and we confirm and send a photo of the strand you would receive.