Kovács Kis Viktória and Dódony István: Mineralogical and microstructural features of chalcedony from Mátra Mts, Northern Hungary - a tem study. In: Acta mineralogica-petrographica, (45) 1. pp. 101-106. (2004)
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Abstract
The association and structural relationships of moganite, a recently described silica polymorph, and microcrystalline silica were studied using petrographic microscopy. X-ray powder diffraction, and scanning and transmission electron microscopy. We studied a chalcedony sample, a common fibrous microcrystalline silica variety from Gyongyossolymos, northern Hungary. Morphological and optical characteristics such as fiber striations and wrinkle banding and the association of mineral phases (quartz, moganite and cristobalite) are reported. Selected-area electron diffraction patterns of twinned domains with periodic and non-periodic twin planes are discussed in relation to moganite and quartz structures.
| Item Type: | Article |
|---|---|
| Journal or Publication Title: | Acta mineralogica-petrographica |
| Date: | 2004 |
| Volume: | 45 |
| Number: | 1 |
| ISSN: | 0365-8066 |
| Page Range: | pp. 101-106 |
| Language: | English |
| Publisher: | Department of Mineralogy, Geochemistry and Petrology, University of Szeged |
| Place of Publication: | Szeged |
| Related URLs: | http://acta.bibl.u-szeged.hu/39426/ |
| Uncontrolled Keywords: | Földtan, Ásványtan, Kőzettan |
| Additional Information: | Bibliogr.: 106. p. ; ill. ; összefoglalás angol nyelven |
| Subjects: | 01. Natural sciences 01. Natural sciences > 01.05. Earth and related environmental sciences |
| Date Deposited: | 2016. Oct. 17. 09:24 |
| Last Modified: | 2022. Aug. 24. 10:33 |
| URI: | http://acta.bibl.u-szeged.hu/id/eprint/25120 |
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