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Peisleyite, a new sodium aluminium sulphate phosphate

Published online by Cambridge University Press:  05 July 2018

E. S. Pilkington ,
E. R. Segnit  and
J. A. Watts
E. S. Pilkington
Affiliation:
CSIRO Division of Mineral Chemistry, Port Melbourne, Australia
E. R. Segnit*
Affiliation:
CSIRO Division of Mineral Chemistry, Port Melbourne, Australia
J. A. Watts
Affiliation:
CSIRO Division of Mineral Chemistry, Port Melbourne, Australia
*
*Author to whom correspondence should be directed.
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Abstract

A new sodium aluminium sulphate phosphate has been named peisleyite. It has the ideal formula Na3Al16(SO4)2(PO4)10(OH)17 · 20H2O. It occurs as fine-grained, compact, brittle, white material on dumps at Tom's Phosphate Quarry, near Kapunda, South Australia. Strongest X-ray diffraction lines are 12.63 Å (100) 010, 7.82(35) 11, 5.41(35) 004, 7.59(30) 111. Unit cell parameters are a 13.31 ± 0.006, b 12.62 ± 0.006, c 23.15 ± 0.01 Å, β 110.0°±0.03°, Z = 2.

Type
Research Article
Information
Mineralogical Magazine , Volume 46 , Issue 341 , December 1982 , pp. 449 - 452
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1982

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