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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 Garnet Almandine |
| Synthetic? | no |
|
Formula Standard element(s) |
(Fe,Mn,Mg,Ca)3 (Al,Fe)2 Si3O12 - |
| Origin, rock type... | Gore Mountain, NY |
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(*) Recommended analysis.
| Analysis 1 | |
|---|---|
| Analysis type | unknown |
| Wt-% oxide | Wt-% element | Atomic | ||
|---|---|---|---|---|
| 39.700 22.100 0.656 22.410 10.900 0.500 4.000 | SiO2 Al2O3 Fe2O3 FeO MgO MnO CaO | 18.557 11.696 0.459 17.419 6.573 0.387 2.859 42.249 | Si Al Fe3+ Fe2+ Mg Mn Ca O | 2.998 1.967 0.037 1.415 1.227 0.032 0.324 12.000 |
| 100.266 | 100.199 | 20.000 | ||
Inhomogeneous (chemical zoning). Used for spectrometer verification and to check the standardization of Si, Al, Ca, Fe, and Mg. Mg# = 0.4525
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