Phase F, a new hydrous magnesium silicate synthesized at 1000 °C and 17 GPa: Crystal structure and estimated bulk modulus

Y. Kudoh, T. Nagase, S. Sasaki, M. Tanaka, Masami Kanzaki

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

The structure of phase F, a non-stoichiometric hydrous silicate synthesized in a uniaxial, split-sphere, multi-anvil apparatus at conditions of 17 GPa and 1000° C, has been solved and refined in space group P63cm, using synchrotron X-ray data for a single crystal of a size 18 × 24 × 30 μm. The composition and unit cell for phase F are Mg3.35Si5.51H7.26O18, a=5.073(3) Å, c=14.013(9) Å, 7= 312.3(5) Å3. The structure contains layers with many similarities to superhydrous phase B. The layers of oxygen atoms are stacked in the ABCBAC-type double cubic closest packing arrangement. The bulk modulus of phase F was estimated from the structural and compositional relationship to superhydrous phase B and periclase.

Original languageEnglish
Pages (from-to)295-299
Number of pages5
JournalPhysics and Chemistry of Minerals
Volume22
Issue number5
DOIs
Publication statusPublished - Jul 1995
Externally publishedYes

Fingerprint

Silicates
bulk modulus
Synchrotrons
crystal structure
Magnesium
magnesium
silicate
Crystal structure
Elastic moduli
Single crystals
Oxygen
periclase
X rays
Atoms
Chemical analysis
crystal
oxygen
Florisil

ASJC Scopus subject areas

  • Materials Science(all)
  • Geochemistry and Petrology
  • Earth and Planetary Sciences(all)
  • Environmental Science(all)

Cite this

Phase F, a new hydrous magnesium silicate synthesized at 1000 °C and 17 GPa : Crystal structure and estimated bulk modulus. / Kudoh, Y.; Nagase, T.; Sasaki, S.; Tanaka, M.; Kanzaki, Masami.

In: Physics and Chemistry of Minerals, Vol. 22, No. 5, 07.1995, p. 295-299.

Research output: Contribution to journalArticle

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