Labradorite
(Ca,Na)(Si,Al)4O8
wdx 
edx
thin film 
thin foil
xrf
edx
thin film
thin foil
xrf
Location
Dana Class
Strunz Class
| Element | WT% |
| Na | 4.4% |
| Ca | 6.98% |
| Al | 15.30% |
| Si | 25.89% |
| O | 47.43% |
| Compound | WT% |
| Na2O | 5.93% |
| CaO | 9.76% |
| Al2O3 | 28.91% |
| SiO2 | 55.40% |
