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Occurrence of some Ni- and Sn-rich minerals in copper converter slags

Published online by Cambridge University Press:  05 July 2018

E. Wearing
E. Wearing*
Affiliation:
Department of Geology and Mineralogy, Oxford University, Parks Road, Oxford OX1 3PR
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Abstract

The chemistry of opaque spinel, delafossite (Cu2O·Fe2O3), cuprite (Cu2O), cassiterite, nickel-olivine (Ni2SiO4), and bunsenite (NiO) from some copper converter slags has been investigated by electron microprobe analysis. The spinel has a complex composition containing up to 33.89% NiO and 47.69% SnO2, ranging from essentially Ni2SnO4 to (Ni,Fe2+)O4. The associated delafossite contains up to 19.18% NiO and 38.15% SnO2. The chemical variation of the mineral phases is evaluated, and it appears that Ni2+ enters the spinel and delafossite to charge-balance the octahedrally coordinated Sn4+.

Type
Research Article
Information
Mineralogical Magazine , Volume 48 , Issue 347 , June 1984 , pp. 243 - 249
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1984

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Footnotes

*

Present address: 210 Wingrove Road, Newcastle upon Tyne NE4 9DD.

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