Feldspar (group) measurement, Geake et al. 1971

Measurement details

Reference Geake et al. 1971
Geake, J.E., Walker, G., Mills, A.A. & Garlick, G.F.J. (1971). Luminescence of Apollo lunar samples. In Proceedings of the Second Lunar Conference, A. A. Levinson (Ed.), pp. 2265-2275. Geochimica et Cosmochimica Acta, Supplement 2, Cambridge Mass.: MIT.
http://adsabs.harvard.edu/full/1971LPSC....2.2265G
Material Feldspar (group) [ KAlSi3O8 - NaAlSi3O8 - CaAl2Si2O8 ]
Specimen temperature Ambient
Technique Unknown
Lines Unspecified 560 nm, 450 nm, 770 nm

Composition

Nominal composition of Feldspar (group) [ KAlSi3O8 - NaAlSi3O8 - CaAl2Si2O8 ].
Element Atoms
Na 0-1
K 0-1
Ca 0-1
Al 1-2
Si 2-3
O 8