Azurite (very fine)

 
Sample ID:
PK10210
Origin:
Natural mineral; Provenance: Congo
Chemical Information:
Basic blue copper carbonate, Cu3(CO3)2(OH)2
Sample Type:
Reference material
Description:
Powder sample (<80 µ)
History of use:
Since antiquity
Sample Source:
Kremer Pigments
Alternative names:
C.I. Pigment Blue 30, PB30, Lapis Armenius
Material Class:
Mineral pigments
Acquisition Conditions:
Current intensity: 10.60 µA
Tube voltage: 40 kV
Analysis time: 300 s
No filtering, air atmosphere