Dawsonite: An inclusion mineral in quartz from the Tin Mountain pegmatite, Black Hills, South Dakota

@article{Sirbescu2003DawsoniteAI,
  title={Dawsonite: An inclusion mineral in quartz from the Tin Mountain pegmatite, Black Hills, South Dakota},
  author={Mona-Liza C. Sirbescu and Peter I. Nabelek},
  journal={American Mineralogist},
  year={2003},
  volume={88},
  pages={1055 - 1059}
}
Dawsonite -NaAl(CO 3 )(OH) 2 -was identified in primary fluid inclusions in quartz from the Li-rich Tin Mountain pegmatite, Black Hills, South Dakota, by petrography, SEM-EDS analysis, and Raman spectroscopy. This is the first report of dawsonite as an inclusion mineral in a pegmatite. The presence of dawsonite in the inclusions is evidence for the existence of carbonate ions in the complex pegmatite melt and/or exsolved magmatic fluid. The lack of dawsonite as a macroscopic mineral is… CONTINUE READING

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