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Luminescence of Apollo 11 Lunar Samples

Norman N. Greenman and H. Gerald Gross
Science
New Series, Vol. 167, No. 3918, The Moon Issue (Jan. 30, 1970), pp. 720-721
Stable URL: http://www.jstor.org/stable/1728822
Page Count: 2
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Abstract

Luminescence measurements were made of four lunar rocks, two terrestrial rocks (granite and gabbro), and one terrestrial mineral (willemite) by comparing the spectral curves with the curve of a barium sulfate standard. Efficiencies with 3000 angstrom excitation were ≤6 × 10$^{-5}$ for the lunar samples, ≤8 × 10$^{-5}$ for gabbro of very similar composition to the lunar samples, approximately 10$^{-4}$ for granite, and approximately 2 × 10$^{-2}$ for willemite. If these are typical values for other ultraviolet excitation wavelengths, the Apollo 11 site appears to contribute little to the observed lunar luminescence.

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