Sideronatrite and metasideronatrite efflorescence formed in a coastal sea-spray environment

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Sideronatrite [Na2Fe(SO4)2(OH)·3H2O] occurs as yellow botryoidal encrustations on low cliffs of weathered pyrite-bearing mudstones at Barton-on-Sea, Hampshire, England. Extensive areas of the cliffs, up to ~100 m2, are coated with sideronatrite and its low solubility in cold water secures its longevity. Dry samples of sideronatrite convert readily to metasideronatrite [Na2Fe(SO4)2(OH)·H2O], the reaction to sideronatrite being reversible. Sideronatrite, it is suggested, forms as a result of weathering of pyrite that is present in the argillaceous sediments and reaction with Na from the sea-salt spray.

Original languageEnglish (US)
Pages (from-to)757-759
Number of pages3
JournalMineralogical Magazine
Volume63
Issue number5
DOIs
StatePublished - Jan 1 1999

Fingerprint

Efflorescence
cliff
spray
pyrite
Bearings (structural)
encrustation
sea salt
Weathering
cold water
mudstone
Sediments
solubility
weathering
Solubility
Salts
Water
sediment
sea

Keywords

  • Efflorescence
  • Metasideronatrite
  • Pyrite
  • Sideronatrite
  • Weathering

ASJC Scopus subject areas

  • Geochemistry and Petrology

Cite this

Sideronatrite and metasideronatrite efflorescence formed in a coastal sea-spray environment. / Garvie, Laurence.

In: Mineralogical Magazine, Vol. 63, No. 5, 01.01.1999, p. 757-759.

Research output: Contribution to journalArticle

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