Microcline reflectance spectrum, IR illum., CSIRO

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Measurement details

Description Reflectance spectrum of Microcline and Cookeite in MES300, from CSIRO Reflectance (2025). From original file 'Cookeite_MES300_Batch_3_.0.dpt'.
Reference Reflectance spectra measured by Carsten Laukamp and colleagues
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 0.269 absolute reflectance
Line OH ν: 3665.6 cm-1
Download Cookeite_MES300_Batch_3_.0.txt [80.0 kB]

Specimen details

Name MES300 Microcline / Cookeite / Albite
Owner CSIRO - ARRC Collection
Locality Waisanen Quarry, Greenwood, Oxford Co., ME, USA
Link to CMR Specify database https://cmr-specify.csiro.au/specify/bycatalog/CMR-MS/2024-MS-0000000245
Phase abundance (QXRD)
Size 3.5 × 2.5 × 1.0 in
Weight 6.8 oz
Other measurements Albite, Cookeite, Microcline, Muscovite-1M, Muscovite-2M1 and Quartz XRD quant/phase, x-ray beam, Owen et al. 2023 (Jobs # 6243, 6245)

Specimen image

Image of Cookeite, Albite, Microcline, Muscovite-1M, Muscovite-2M1 and Quartz in specimen 'MES300 Microcline / Cookeite / Albite' [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