Microcline reflectance spectrum, IR illum., CSIRO

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Measurement details

Description Reflectance spectrum of Microcline in NRALB01, from CSIRO Reflectance (2025). From original file 'Albite_NRALB01_2.0.dpt'.
Reference Reflectance spectra measured by C. Laukamp and co-authors, CSIRO Mineral Resources
Material Microcline [ KAlSi3O8 ]
Analysis technique Reflectance
Instrument Bruker Vertex 80v FTIR spectrometer
Illumination IR light source
Channel count 3667
Wavelength range 2004 … 16664 nm
Intensity range 0.522 absolute reflectance
Comment Formerly identified as albite.
Lines OH ν: 3122 cm-1, Unspecified: 3704.9 cm-1
Download Albite_NRALB01_2.0.txt [80.0 kB]

Specimen details

Name NR-Alb-01 Microcline
Owner CSIRO - ARRC Collection
Catalog ID NRALB01
Link to CMR Specify database https://cmr-specify.csiro.au/specify/bycatalog/CMR-MS/2024-MS-0000000550
Type Individual Sample

Specimen image

Image of Microcline [ KAlSi3O8 ] in specimen 'NRALB01 Microcline' [CSIRO].

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


Composition

Nominal composition of Microcline [ KAlSi3O8 ].
Element Atoms At% Wt%
K 1 7.69 14
Al 1 7.69 9.69
Si 3 23.1 30.3
O 8 61.5 46
Total 13 100 100