Postl W.; Bojar H.-P.; Walter F.; Ettinger K.; Hauzenberger C.(2004)
The new mineral trattnerite, (Fe,Mg)2(Mg,Fe)3[Si12O30], a member of the milarite group, occurs in small cavities of a Sirich xenolith at the haüyne-nephelinite quarry Stradner Kogel, eastern Styria, Austria. Trattnerite ...