Alkali feldspar

Composition

Element Atoms
Al 1
Si 3
O 8
Na ~0.5
K ~0.5

References

Reference Lines Spectra Images
CSIRO/WUStL Apollo 12 (2019), luminescence 1 1 0
CSIRO/WUStL Apollo 12 (2019), luminescence, other 0 1 0
White 1974, reflectance 1 0 0
White 1974, reflectance, other 2 0 0