Mineralogical characterisation of titanite from Alinci, Republic of Macedonia

Sijakova-Ivanova, Tena and Atanasovska , Kristina and Nedanovska , Sara and Velinovska, Angela and Maksimova, Aleksandra (2018) Mineralogical characterisation of titanite from Alinci, Republic of Macedonia. Natural resources and technologies, XII (12). pp. 45-51. ISSN 185-6966

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Abstract

nia. Two samples of titanite were analysed by scanning electron microscope (SEM) and XRD method. Titanite grows within arfvedsonite nests. Their growth started after the arfvedsonite had been crystallised. Мost commonly appear as (100) twins with a typical shape of steep roof. Titanite has honey yellow colour because has low concentration of Fe. The concentration of elements in titanite crystals is: Si (11.21-11.90); Ca (9.93-11.64); Ti (11.49-13.53), Fe (0.26-0.41). Arfvedsonite has black colour. The concentration of elements in arfvedsonite crystals is: Si (22,37-23,84); Fe (8.27-10.48); Ca (1,45-2,66); Mg (7.64-7.98); K(0.53-0.64); Na (3.73-4.34). The most intense registered maxima in the studied powder pattern [d values (in Å, I and hkl)] are: 3.24 (100); 3.00(87); 2.61(57); 2.59(41); 2.06(21); 2.29(19); 1.64(45); 1.55 (13); 1.50(15); 1.42(16). The most intense registered maxima in the studied powder diagram were compared with the corresponding maxima in the diagram of titanite sample ICDD card 00 050 1614 for titanite and ICDD 01 089 7346 for arfvedsonite

Item Type: Article
Subjects: Natural sciences > Other natural sciences
Divisions: Faculty of Natural and Technical Sciences
Depositing User: Tena Sijakova Ivanova
Date Deposited: 04 Feb 2019 09:03
Last Modified: 04 Feb 2019 09:03
URI: http://eprints.ugd.edu.mk/id/eprint/21318

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