Sodalitle Group Visible to Near-infrared Spectra (300 - 1100 nm)
The sodalites are a group of cubic aluminosilicate minerals.
Their color is due to complex polymeric sulfide ions. S3-
is responsible for the blue color commonly observed in many
members of the sodalite group.
Visible Spectra (400 - 800 nm)
Haüyne, (Na,K)3(Ca,Na)(Al3Si3O12)(SO4,S,Cl)
- Haüyne
, from (Eifel,
Rhineland-Palatinate?) Germany. Normalized to 10.0 cm. Colored by
polymeric sulfide ions. Data File: Contributed data from
Anton
Vasiliev, LAL, Moscow: haüyne_Germany
, 25 K. Picture: haüyne,
Eifel, Germany, GRR 2029.
- Haüyne, GRR 3772. Reinland Palatinate, Germany. 1.10 mm thick blue color . Data file
- Haüyne,
from Mendig
(Eifel Region), Germany. 1.243 mm thick, blue color. Data file:
Contributed data from Janet Harvey, Santa Monica, CA, Haüyne J1, 22 K.
Picture: haüyne, Mendig,
Germany, 550 K.
Lazurite, Na7Ca(Al6Si6O24)(SO4)(S3) · H2O
- lazurite, GRR 2135. Blue
crystals
from Badakhstan, Afghanistan.
- lazurite, CIT 11358. Blue
lapis
lazuli containing lazurite from Andes of Ovalle, Coquimbo,
Chile
Sodalite, Na4(Si3Al3)O12Cl
Tugtupite, Na4BeAlSi4O12Cl
- Tugtupite,
GRR 153; red tugtupite
from, from Kvanefjeld,
Ilimaussaq, Greenland. 0.4 mm thick sample, unoriented. Data File: tugtupite153.
The S4
molecule is believed to be the species
responsible for the red color.
Link
to references about the spectra of sodalite group members
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