Heat capacities and thermodynamic functions for beryl, Be3Al2Si6O18, phenakite, Be2SiO4, euclase, BeAlSiO4(OH), bertrandite, Be4Si2O7(OH)2, and chrysoberyl, BeAl2O4.

B. S. Hemingway, Mark D Barton, R. A. Robie, H. T. Haselton

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

The heat capacities of beryl, phenakite, euclase and bertrandite have been measured between approx 5 and 800 K by combined quasi-adiabatic cryogenic calorimetry and differential scanning calorimetry. The heat capacities of chrysoberyl have been measured from 340 to 800 K. The resulting data have been combined with solution and phase-equilibrium experimental data and simultaneously adjusted using the programme PHAS20 to provide an internally consistent set of thermodynamic properties for several important beryllium phases. The experimental heat capacities and tables of derived thermodynamic properties are presented.-J.A.Z.

Original languageEnglish (US)
Pages (from-to)557-568
Number of pages12
JournalAmerican Mineralogist
Volume71
Issue number3-4
StatePublished - 1986
Externally publishedYes

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beryl
heat capacity
Specific heat
thermodynamics
thermodynamic property
calorimetry
specific heat
Thermodynamics
Thermodynamic properties
heat measurement
thermodynamic properties
Beryllium
beryllium
Calorimetry
phase equilibrium
Phase equilibria
Cryogenics
cryogenics
Differential scanning calorimetry
scanning

ASJC Scopus subject areas

  • Geochemistry and Petrology
  • Geophysics

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Heat capacities and thermodynamic functions for beryl, Be3Al2Si6O18, phenakite, Be2SiO4, euclase, BeAlSiO4(OH), bertrandite, Be4Si2O7(OH)2, and chrysoberyl, BeAl2O4. / Hemingway, B. S.; Barton, Mark D; Robie, R. A.; Haselton, H. T.

In: American Mineralogist, Vol. 71, No. 3-4, 1986, p. 557-568.

Research output: Contribution to journalArticle

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