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Holtstamite
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| Holtstamite Formula: Ca3 (Mn1.006 Al.994) Si1.95 O12 H4 Name: Holtstamite Unit cell: 12.337 12.337 11.93 90.0 90.0 90.0 , V=1815.76 Space group: I41/ACD (142) |
Halenius U , Haussermann U , Harryson H , European Journal of Mineralogy , 17 (2005) p.375-382, Holtstamite, Ca3(Al,Mn3+)2(SiO4)3-x(H4O4)x, a new tetragonal hydrogarnet, from Wessels Mine, South Africa, Locality: Wessels Mine, South Africa
