AM_Aluminomagnesiohulsite Formula: Fe.7 Sn.3 Al1.3 Mg3.7 B2 O10 Name: Aluminomagnesiohulsite Unit cell: 5.3444 3.03 10.506 90.0 94.46 90.0 , V=169.61 Space group: P12/M1 (10)

Pertsev N N , Schreyer W , Armbruster T , Bernhardt H J , Medenbach O , European Journal of Mineralogy , 16 (2004) p.151-161, Alumino-magnesiohulsite, a new member of the hulsite group, in kotoite marble from, east of Verkhoyansk, Sakha-Yakutia, Russia, Locality: east of Verkhoyansk, Sakha-Yakutia, Russia