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Experiment
Sample
E
xperiment
Vis-NIR reflectance spectra of Pierrerue pigments (PIG_0176_A): raw blocks, powders, plots and painted matter
S
ub-
E
xperiment
Powders
S
ub-
E
xperiment
Raw and sawn blocks
S
pectrum
Vis-NIR reflectance spectrum of Pierrerue pigment (PIG_0176_A_101), block #1, raw face #1
S
ub-
E
xperiment
Polished section
S
ub-
E
xperiment
Painted on limestone
S
pectrum
Vis-NIR reflectance spectrum of limestone block
S
ample
Pigment Pierrerue (PIG_0176_A_101), raw bauxite block #1
L
ayer
Pigment Pierrerue - raw block
Ma
tter
Pigment Pierrerue (PIG_0176_A), bauxite
M
aterial
Pisoliths: Hematite with kaolinite
C
onstituent
Hematite
C
onstituent
Kaolinite
M
aterial
Edge of the Pisoliths: kaolinite-calcite-goethite
C
onstituent
Kaolinite
C
onstituent
Calcite
C
onstituent
Goethite
M
aterial
Alumino-ferruginous clay
C
onstituent
Kaolinite
C
onstituent
Hematite
C
onstituent
TiO2
Material
Name
Alumino-ferruginous clay
Origin
Family
mineral
Origin
natural terrestrial
Constituents in material
Number
3
Arrangement
multi-phases
Name
Compound type
Arrangement
Mass ($g$)
Mass fraction
Adsorbat name
Kaolinite
phyllosilicate
homogeneous in multi-phases
Hematite
oxide-hydroxide
homogeneous in multi-phases
TiO2
oxide-hydroxide
homogeneous in multi-phases