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Mössbauer characterization of biotites from zoned pegmatites

✍ Scribed by W. A. A. Macedo; V. R. P. R. O. Marciano; J. M. Correia Neves; D. P. Svisero

Book ID
112688999
Publisher
Springer
Year
1994
Tongue
English
Weight
281 KB
Volume
83
Category
Article
ISSN
0304-3843

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Single crystal Mössbauer studies of 1M b
Single crystal Mössbauer studies of 1M biotite
✍ Laurence P. Aldridge; James Finch; Graeme J. Gainsford; Kevin H. Patterson; W. C 📂 Article 📅 1991 🏛 Springer-Verlag 🌐 English ⚖ 798 KB

Electric field gradient (EFG) measurements for Fe z + in the cisand trans-sites of a large single crystal of trioctahedral biotite of the 1M polytype are described. Attempts to apply thickness and polarisation corrections are outlined. The measured EFG's are distinctly rhombic: t1=0.28 and 0.42 resp