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Stability Relationships between Petalite (LiAlSi4010) and Spodumene (LiAlSi206).


PB83148031

Publication Date 1982
Personal Author Bennington, K. O.
Page Count 21
Abstract This investigation is part of the Bureau of Mines research effort directed at advancing mineral technology and minimizing energy requirements for extractive metallurgy. The emplacement of the primary minerals petalite (LiAlSi4O10) and spodumene (LiAlSi2O6) in the lithium pegmatites is examined on the basis of their Gibbs energies of formation determined from lithium metasilicate and oxides, using a series of proposed reactions. The reaction between spodumene, quartz, and petalite (LiAlSi2O6 + 2SiO2 yields LiAlSi4O10) apparently does not take place in nature but may be proved experimentally.
Keywords
  • Gibbs free energy
  • Extractive metallurgy
  • Stability
  • Thermodynamic properties
  • Heat of formation
  • Heat of reaction
  • Petalite
  • Spodumene
Source Agency
  • Bureau of Mines
NTIS Subject Category
  • 99F - Physical & Theoretical Chemistry
  • 48F - Geology & Geophysics
Corporate Authors Bureau of Mines, Albany, OR. Albany Research Center.
Document Type Technical Report
Title Note Rept. of investigations/1982.
NTIS Issue Number 198309
Stability Relationships between Petalite (LiAlSi4010) and Spodumene (LiAlSi206).
Stability Relationships between Petalite (LiAlSi4010) and Spodumene (LiAlSi206).
PB83148031

  • Gibbs free energy
  • Extractive metallurgy
  • Stability
  • Thermodynamic properties
  • Heat of formation
  • Heat of reaction
  • Petalite
  • Spodumene
  • Bureau of Mines
  • 99F - Physical & Theoretical Chemistry
  • 48F - Geology & Geophysics
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