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Diversity; isomorphism and mutual conversions of sulfur-bearing species in natural tectosilicates: Applying a novel multimethodic approach: 150 years of the Mineralogical Society: Past Discoveries and Future Frontiers
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DOI：10.1180/mgm.2026.10204.png)
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Abstract
En 中文
Twenty extra-framework S- and C-bearing species including anions (SO42–; SO32–; S2–; S52–; HS–; CO32–; C2O42– and HCO4–); radical anions (S2•–; S3•–; cis- and trans-S4•– and SO4•–) and neutral molecules (CO2; COS; H2S; cis- and trans-S4 and S6) have been identified in natural tectosilicates (members of the sodalite; cancrinite and scapolite groups) using a novel multimethodic approach based on several spectroscopic methods; single-crystal and powder X-ray diffraction; and electron microprobe and wet chemical analyses. Various polysulfide groups were detected in lazurite; haüyne; vladimirivanovite; sapozhnikovite; slyudyankaite; kyanoxalite; balliranoite; marinellite; tounkite; bystrite; sulfhydrylbystrite and meionite. Experimental data on mutual conversions of S-bearing species and structure modulations of these minerals under different temperatures; reducing and oxidizing environment as well as radiation-induced conversions provide a key for their use as markers of the crystallization or transformation conditions in Nature and during synthesis and modification.
Keywords:
tectosilicates
sodalite group
cancrinite group
scapolites
polysulfide groups
vibrational spectroscopy
electron spectroscopy
ESR
luminescence
thermal conversions
Journal
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