Charoite (9.5cm) (K,Sr,Ba,Mn)15-16(Ca,Na)32[(Si70(O,OH)180)](OH,F)4.nH2O
with Aegirine, Tinaksite; Steacyite, etc.
Murunsky Massif, Sakha Republic, Siberia, Russian Federation
Received from A. Pudovkin and I. Lobanova
Photo and Coll. P. Perroud (now in NHM Geneva)