Primary standard
NOTES: Homogeneous, but stay away from the funny looking lines, which are stress cracks. Stay on flat areas.
 |  |
| Position | 65 |
| Mineral | Basalt glass |
| Sample Name | BHVO-2G |
| Type | Glass |
| Nominal formula | Silicate glass |
| Supplier | USGS |
| Source | Iceland |
| Original reported analysis | USGS reference material |
| Composition quality | Primary standard |
| Comments | Same composition as USGS certificate, with all Fe as FeO. |
| O Na Mg Al Si P K Ca Ti V Cr Mn Fe Ni Zn Sr Zr Ba | 43.45 1.62 4.36 7.17 23.3 0.12 0.43 8.18 1.65 0.03 0.03 0.13 8.37 0.01 0.01 0.04 0.02 0.01 |
