Lapis Lazuli (medium quality)

 
Sample ID:
PK10510
Origin:
Natural mineral; Provenance: Afghanistan
Chemical Information:
(Na,Ca)8[(SO4,S,Cl)2(AlSiO4)6]
Sample Type:
Reference material
Description:
Powder sample
History of use:
Since antiquity
Sample Source:
Kremer Pigments
Alternative names:
C.I. Pigment Blue 29, PB29, Ultramarine, Ultramarine Blue, Natural Ultramarine, Azurum Ultramarinum
Material Class:
Mineral pigments
Acquisition Conditions:
Attenuated Total Reflectance (ATR) mode
Resolution: 4 cm-1
Scans: 128
Range: 4000-380 cm-1