General formula:
NaAlSi3O8
N° standard / mount: 047 / Tubes
Standard elements: Al Na Si
Mineral class: Silicates
Group: Feldspars
Comments:
2 pieces, one is OK, homogeneous, the other = SiO2
NaAlSi3O8
2 pieces, one is OK, homogeneous, the other = SiO2