Sample ID:
PK1056038
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Origin:
Natural mineral; Provenance: Chile
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Chemical Information:
(Na,Ca)8[(SO4,S,Cl)2(AlSiO4)6]
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Sample Type:
Reference material
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Description:
Powder sample (25-38 µ)
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History of use:
Since antiquity
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Sample Source:
Kremer Pigments
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Alternative names:
C.I. Pigment Blue 29, PB29, Ultramarine, Ultramarine Blue, Natural Ultramarine, Azurum Ultramarinum
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Material Class:
Mineral pigments
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Acquisition Conditions:
Excitation source: 785 nm
Laser spot size: 170 µm Resolution: 7 cm-1 Laser power: 1 mW Acquisition time: 500 ms |