Tugtupite Visible Spectra (250 - 750 nm)
Tugtupite is an uncommon mineral which turns pink in strong sunlight
and
colorless when heated. The color orginates from minor amounts of
sulphur
in the mineral. The S4 molecule is believed to be the
species
responsible for the red color.
see also the sodalite
group
Back to the list of minerals
Back to the
Mineral Spectroscopy home page
