Gahnite
ZnAl2O4
wdx 
edx
thin film 
thin foil
xrf
edx
thin film
thin foil
xrf
Location
Helena, Montana, USA
Dana Class
07.02.01.04
Strunz Class
04.BB.05
| Element | WT% |
| Fe | 1.7% |
| Zn | 8.57% |
| Mg | 11.93% |
| Al | 35.65% |
| O | 42.14% |
| Compound | WT% |
| FeO | 2.19% |
| ZnO | 10.67% |
| MgO | 19.79% |
| Al2O3 | 67.35% |
