Ferrian chlorospinel from Carneal, Co. Antrim
Published online by Cambridge University Press: 14 March 2018
Summary
A Tertiary dolerite plug at Carneal, Co. Antrim has been contaminated by Chalk with the production of calc-silicates and related minerals. In a larnite-spinel-rock the spinel is of the unusual ferrian variety. It has the composition The spinel, which is brown, has: n, 1·862; D, 3·97; a, 8·1905 Å. A chemical analysis and powder data are given, the implications of experimental data are briefly discussed, and the nomenclature is reviewed.
- Type
- Research Article
- Information
- Mineralogical magazine and journal of the Mineralogical Society , Volume 36 , Issue 283 , September 1968 , pp. 948 - 954
- Copyright
- Copyright © The Mineralogical Society of Great Britain and Ireland 1968
References
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