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Crystal structure of boralsilite and its relation to a family of boroaluminosilicates, sillimanite, and andalusite
boralsilite boroaluminosilicates sillimanite andalusite
2012/3/31
Boralsilite, Al B Si O , is monoclinic, space group C2/m, with a = 14.767(1), b = 5.574(1), c =
15.079(1) ?, ? = 91.96(1)?, and Z = 2. The structure was solved with direct methods and refined to an
...
Solid solution in the celadonite family:The new minerals ferroceladonite, K2Fe2+2Fe3+2Si8O20(OH)4,and ferroaluminoceladonite, K2Fe2+2Al2Si8O20(OH)4
Solid solution celadonite family new minerals ferroceladonite K2Fe2+2Fe3+2Si8O20(OH)4 ferroaluminoceladonite K2Fe2+2Al2Si8O20(OH)4
2012/4/5
Celadonite-familymicamineralsoccurringintheTriassicGavenwoodTuffs,Murihiku
Supergroup,HokonuiHills,Southland,NewZealand,havebeenanalyzedbyXRD,TEM,
AEM,andEMPA.Packetsafewunitcellstoseveralhundrednan...