Serpentine
Mg3(OH)4(Si3O5)
wdx 
edx
thin film 
thin foil
xrf
edx
thin film
thin foil
xrf
Location
Coulterville, Tuolumne Co. California, USA.
Dana Class
71.01.02d.01
Strunz Class
09.ED.15
| Element | WT% |
| Al | 0.85% |
| Fe | 7.65% |
| Si | 22.15% |
| Mg | 24.82% |
| O | 44.53% |
| Compound | WT% |
| Al2O3 | 1.61% |
| FeO | 9.85% |
| SiO2 | 47.39% |
| MgO | 41.15% |
