机译:Lead-antimony sulfosalts from Tuscany (Italy). XXIII. Andreadiniite, CuAg7HgPb7Sb24S48, a new oversubstituted (Cu,Hg)-rich member of the andorite homeotypic series from the Monte Arsiccio mine, Apuan Alps
机译:Preparation and characterization of Na1.5K0.5Ca6Si4O15 (Na1.5K0.5Ca6SiO4(2)Si2O7): Na1.41K0.19Ca2.20Si2O7: two new phases in the system Na2O-K2O-CaO-SiO2