A variety of
Grossular-Hibschite SeriesHydrogrossular-chlorite-carbonate pseudomorphs after very probably
Wadalite or some other hydrogarnet. Real protomineral for these pseudomorphoses isn't exactly known up to now.
Originally desribed from Akhtaragda River mouth (Achtaragda River mouth), Vilyui River Basin (Vilui River Basin; Wilui River Basin), Saha Republic (Sakha Republic; Yakutia), Eastern-Siberian Region, Russia.