Tin-bearing sulphides from St. Michael's Mount and Cligga Head, Cornwall

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Authors:Moore, F.; Howie, R. A.
Author Affiliations:Primary:
King's Coll., Dep. Geol., London, United Kingdom
Volume Title:Mineralogical Magazine
Source:Mineralogical Magazine, 48 Part 3(348), p.389-396. Publisher: Mineralogical Society, London, United Kingdom. ISSN: 0026-461X
Publication Date:1984
Note:In English. 22 refs.; illus. incl. 4 tables
Summary:The result of electron probe microanalyses, along with X-ray and optical data obtained for tin sulphides from two different localities in south-west England indicate that the mineral hitherto described from St Michael's Mount as stannite is in fact kesterite, Cu2(Fe0.23Zn0.77)SnS4. The yellow 'stannite' reported from this locality proved to be stannoidite, Cu8(Fe2.39 Zn0.61)SnS2S12. Kesterite, Cu2(Fe0.09Zn0.90SnS4, and zincian stannite, Cu2(Fe0.63Zn0.38)SnS4, are also reported from Cligga Head. It is suggested that a more cautious approach should be taken in identifying these tin sulphides solely on their optical properties. [R.A.H.]
Subjects:Identification; Kesterite; Mineralogy; Minerals; Stannite; Sulfides; Sulfosalts; Sulfostannates; Cornwall England; England; Europe; Great Britain; United Kingdom; Western Europe; Cligga Head; Saint Michael's Mount
Abstract Numbers:84M/4260
Record ID:1985028205
Copyright Information:GeoRef, Copyright 2019 American Geosciences Institute. Abstract, Copyright, Mineralogical Society of Great Britain and Ireland
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