Interactive IRUG Spectrum

Section: 6

Minerals and pigments (MP)

Page: 46

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Details

IRUG filename: RMP00046	Data type: Raman	IRUG material class: Minerals and pigments (MP)
Sample type: Reference material	Common name(s): Realgar mineral, coarse, Pigment Yellow 39 (PY39), CI77085	Chemical/botanical name(s): Arsenic sulfide
CAS name: 2,4,6,8-Tetrathia-1,3,5,7-tetraarsatricyclo[3.3.0.03,7]octane	Sample source 1: Forbes Pigment Collection, Harvard University Art Museum	Source location 1: 32 Quincy St, Cambridge, MA, 02138, USA
Sample source 2: Forbes Pigment Collection, Museum of Fine Arts, Boston	Source location 2: 465 Huntington Avenue, Boston, MA, 02115, USA	Sample identifier 2: MFA 212
Color: Orange, medium, opaque	Application: Raman microscopy/microspectroscopy	Excitation source (nm): 785
Mode: Scat	Originating institution name: Museum of Fine Arts, Boston	Originating institution acronym: MFAB
Molecular formula: As4 S4	Linear formula: As4S4	CAS registry no: 12279-90-2
Other analytical methods: XRD (x-ray diffraction), XRF (x-ray fluorescence), SEM (scanning electron microscopy)