Wollastonite reflectance spectrum, 20±2°C, Pejcic <i>et al.</i> 2021 (EP2021-1148)

Wollastonite reflectance spectrum, 20±2°C, Pejcic et al. 2021 (EP2021-1148)

Description	Reflectance spectrum of Wollastonite (CaSiO3) in specimen 'M2086' (CSIRO - C. Laukamp), measured September 2023.
Reference	Pejcic et al. 2021 (EP2021-1148) Pejcic, Bobby; Shelton, Tina; leGras, Monica; Laukamp, Carsten; Francis, Neil; Lau, Ian. Mid infrared spectral library. Perth: CSIRO; 2021. csiro:EP2021-1148. https://doi.org/10.25919/5b6n-n462
Material	Wollastonite [ CaSiO₃ ] Fans of white wollastonite needle shaped crystals in bluish marble from Nezdice, Šumava, Czech Republic. Size 15 x 12 cm. © © Zbynek Burival / Mineralexpert.org / (CC-BY-SA-4.0)
Specimen	M2086 Wollastonite [CSIRO - ARRC Collection], Willsboro, Essex Co., NY, USA
Specimen temperature	20±2°C
Technique	Reflectance
Instrument	Bruker Vertex 80v FTIR spectrometer
Det. technology	HgCdTe (MCT) photodetector, LN2 cooled
Channel count	3835
Wavelength range	1333.55 … 16665.6 nm
Intensity range	0.042942 … 0.42086 absolute reflectance

Nominal composition of Wollastonite [ CaSiO₃ ].
Element	Atoms	At%	Wt%
Ca	1	20	34.5
Si	1	20	24.2
O	3	60	41.3