Mineralogical and chemical characterisation on stibnite from Allchar locality, North Macedonia

Sijakova-Ivanova, Tena and Boev, Ivan (2022) Mineralogical and chemical characterisation on stibnite from Allchar locality, North Macedonia. Natural Resources and Technology, 16 (2). pp. 11-18. ISSN 1857-6966

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Abstract

Abstract
Crystalline stibnite occurrences in the Republic of Macedonia in several antimony deposits such
as Allchar, Lojane and Krstov dol. The best stibnite crystals can be found in the central parts of the
Allchar mine. Crystals of stibnite are thick to thin elongated prisms with vertical striations, lead gray
color and high metallic lusters. Stibnite also occurs in columnar, granular, blended and compact habits.
Cleavage is perfect on {010} and imperfect on {100},{110}. The density determined by pycnometer is
4.62 g/cm3. Hardness is 2. The concentration of the oxides is: Sb:70,912-71,155%, S:27,166-28,166%.
The following trace elements were also detected: As, Tl, V, Se, Ba, Ag, Cr, W, P. The unit cell
parameters obtained using the main reflection lines of X-ray diffraction are: a = 11.24 Å, b = 3.84 Å, c
= 11.34 Å, V = 490.43 Å3, Z: 4.

Item Type:	Article
Subjects:	Natural sciences > Other natural sciences
Divisions:	Faculty of Natural and Technical Sciences
Depositing User:	Tena Sijakova Ivanova
Date Deposited:	26 Dec 2022 12:38
Last Modified:	26 Dec 2022 12:38
URI:	https://eprints.ugd.edu.mk/id/eprint/30741

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