Montebrasite reflectance spectrum, IR illum., CSIRO

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Measurement details

Description Reflectance spectrum of Montebrasite in M2368, from CSIRO Reflectance (2025). From original file 'Amblygonite_M2368_Batch_3_.0.dpt'.
Reference Reflectance spectra measured by Carsten Laukamp and colleagues
Material Montebrasite [ LiAl(PO4)(OH) ]
Analysis technique Reflectance
Instrument Bruker Vertex 80v FTIR spectrometer
Illumination IR light source
Channel count 3667
Wavelength range 2004 … 16664 nm
Intensity range 0.458 absolute reflectance
Download Amblygonite_M2368_Batch_3_.0.txt [80.0 kB]

Specimen details

Name M2368 Montebrasite
Owner CSIRO - ARRC Collection
Link to CMR Specify database https://cmr-specify.csiro.au/specify/bycatalog/CMR-MS/2024-MS-0000000035
Phase abundance (QXRD)
Other measurements Crandallite and Montebrasite XRD quant/phase, x-ray beam, Owen et al. 2023 (Jobs # 6243, 6245)

Specimen image

Image of Amblygonite, Crandallite and Montebrasite in specimen 'M2368 Montebrasite' [CSIRO].

(C) 2026 CSIRO Mineral Resources. All rights reserved.


Composition

Nominal composition of Montebrasite [ LiAl(PO4)(OH) ].
Element Atoms At% Wt%
Li 1 11.1 4.76
Al 1 11.1 18.5
P 1 11.1 21.2
O 5 55.6 54.8
H 1 11.1 0.691
Total 9 100 100