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FIGMAS
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First entry: 01/02/16 || Status: pending
| General information | |
|---|---|
|
Mineral class
Sub-class Group Species |
Silicate Nesosilicate Olivine Forsterite 67 |
| Synthetic? | no |
|
Formula Standard element(s) |
(Fe,Mg)2 SiO4 - |
| Origin, rock type... | Kiglapait intrusive, Labrador |
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(*) Recommended analysis.
| Analysis 1 | |
|---|---|
| See analysis 2 for recommended analysis | |
| Reference | Analyst Wiik |
| Method | EMP? |
| Analysis type | single point |
| Analysis comment | Doubtful presence of Al2O3. NiO analyzed by XRF. Total FeO = 29.33 |
| Wt-% oxide | Wt-% element | Atomic | ||
|---|---|---|---|---|
| 36.210 0.080 1.470 0.100 29.240 32.380 0.300 0.710 | SiO2 TiO2 Al2O3 Fe2O3 FeO MgO MnO NiO | 16.926 0.048 0.778 0.070 22.729 19.526 0.232 0.558 39.623 | Si Ti Al Fe3+ Fe2+ Mg Mn Ni O | 0.973 0.002 0.047 0.002 0.657 1.298 0.007 0.015 4.000 |
| 100.490 | 100.490 | 7.001 | ||
| Analysis 2 | |
|---|---|
| Recommended analysis | |
| Reference | Analyst Zies |
| Method | EMP? |
| Analysis type | single point |
| Analysis comment | Questionable value for MgO (compare with analysis #1). NiO analyzed by XRF. Total FeO = 29.33 |
| Wt-% oxide | Wt-% element | Atomic | ||
|---|---|---|---|---|
| 36.210 0.080 0.100 29.240 33.850 0.300 0.710 | SiO2 TiO2 Fe2O3 FeO MgO MnO NiO | 16.926 0.048 0.070 22.729 20.413 0.232 0.558 39.515 | Si Ti Fe3+ Fe2+ Mg Mn Ni O | 0.976 0.002 0.002 0.659 1.360 0.007 0.015 4.000 |
| 100.490 | 100.491 | 7.021 | ||
Sample ID KI3054. Ambiguity of Al2O3 / MgO measurement, poor standard. Some grain have Cpx-Opx mixed! Not well characterized, only Ni values are OK (XRF analysis).
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