Zaisho - a pallasite containing pyroxene and phosphoran olivine.

P R Buseck, J. Clark

Research output: Contribution to journalArticlepeer-review

18 Scopus citations


This Japanese meteorite, one of only four known pallasite falls, contains pyroxene (rare in pallasites) and is only the fourth meteorite known to contain olivine with appreciable P (P2O5 0.03-4.36%); it also contains the rare Mg phosphate, farringtonite. The olivines have P in tetrahedral sites and vacancies (for charge balance) in octahedral sites; the average olivine composition is Fa18.3. Zaisho also contains stanfieldite and a phosphate with a composition between that of stanfieldite and farringtonite.-R.A.H.

Original languageEnglish (US)
Pages (from-to)229-235
Number of pages7
JournalMineralogical Magazine
Issue number2
StatePublished - 1984

ASJC Scopus subject areas

  • Geochemistry and Petrology


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