Experiment
Vis-NIR reflectance spectra of Pierremorte pigments (PIG_0020_A and B): blocks, powders, polished plot and painted matters
Sub-Experiment
Raw and sawn blocks
Spectrum
Vis-NIR reflectance spectrum of Pierremorte pigment (PIG_0020_B_201), raw block #1
Spectrum
Vis-NIR reflectance spectrum of Pierremorte pigment (PIG_0020_B_202), raw block #2
Spectrum
Vis-NIR reflectance spectrum of Pierremorte pigment (PIG_0020_B_301), block #3, sawn face #1
Spectrum
Vis-NIR reflectance spectrum of Pierremorte pigment (PIG_0020_B_301), block #3, raw face #2
Chemical function
- Name
- Carbonate anion
- Explicit name
- Carbonate(2-) anion
- Comments
- mineral anionic radical $(CO_3)^{2-}$
- Formula
- $(CO_3)^{2-}$
- Chemical formula
- (CO3)2-
- Structural formula
- [O-][C](=O)[O-]
- Charge
- -2
- Unpaired electrons
- 0
- Isotope mixture type
- terrestrial abundance