Spectrum preview
Title
Vis-NIR bidirectional reflectance spectrum of Calcite concretion
Database
Experiment type
laboratory measurement
Spectrum type
reflectance factor
Version
#1 (2022-08-19 19:39:50 UTC+0000)
Instrument parameters
Instrument
SHADOWS Spectro-Gonio bidirectional reflection Vis-NIR
Spectral observation mode
spectrum
Valid spectral range(s)
494.0 - 678.0 $nm$ ; 682.0 - 1598.0 $nm$ ; 1602.0 - 2834.0 $nm$ ; 2842.0 - 4202.0 $nm$
Observation geometry
bidirectional : i=0.0° ; e=30.0° ; az=0.0° ; ph=30.0°
Angle observation mode
fixed angles
Spatial observation mode
single spot
Sample preview
Name
Calcite crystals in yellowish concretion
Origin
natural terrestrial
Texture
compact coarse grained
Temperature
18.0 $\pm$ 2.0 $^{\circ}C$
References
Data reference
Schmitt, Bernard; Leclef, Apolline; Montagnac, Gilles (2021): Calcite: Vis-NIR and Mid-IR diffuse reflectance, MIR specular reflectance and Raman spectra of powders and blocks. SSHADE/DRIMS (OSUG Data Center). Dataset/Spectral Data. https://doi.org/10.26302/SSHADE/EXPERIMENT_BS_20220803_001