| Section: 6 | Minerals and pigments (MP) | Page: 101 | 
IRUG filename: RMP00101  | Data type: Raman  | IRUG material class: Minerals and pigments (MP)  | 
Sample type: Reference material  | Common name(s): Ultramarine, natural, Pigment Blue 29 (PB29), CI77007  | Chemical/botanical name(s): Sodium calcium aluminum silicate sulfate  | 
CAS name: Lazurite  | Sample source 1: Forbes Pigment Collection, Harvard University Art Museum  | Source location 1: 32 Quincy St, Cambridge, MA, 02138, USA  | 
Sample identifier 1: Bottle 465  | Sample source 2: Museum of Fine Arts, Boston  | Source location 2: 465 Huntington Avenue, Boston, MA, 02115, USA  | 
Sample identifier 2: MFA 465  | Color: Blue  | Application: Raman microscopy/microspectroscopy  | 
Excitation source (nm): 532  | Mode: Scat  | Originating institution name: Museum of Fine Arts, Boston  | 
Originating institution acronym: MFAB  | Linear formula: (Na,Ca)7-8(Al,Si)12(O,S)24[(SO4),Cl2,(OH)2]  | CAS registry no: 1302-83-6  |