tour-39-143 < 20210112063456-755574 > pub
  • technique: SEM-EDX
  • device: FE-SEM JEOL JSM-7001FL
  • modified at 2021-01-13
  • stone: tour-39-143
measured value uncertainty unit description
[SiO2] 37.0 %
[Al2O3] 32.27 %
[Cr2O3] 0.49 %
[FeO] 8.21 %
[MgO] 5.41 %
[Na2O] 2.41 %
name global-id
name spots global-id