Zavaritskite

Zavaritskite
General
CategoryHalide mineral
Formula
(repeating unit)
(BiO)F
IMA symbolZav
Strunz classificationIII/D.10-70
Dana classification10.02.01.01
Crystal systemTetragonal
Crystal classHalide mineral
Identification
ColorColorless to white
Mohs scale hardness2–2.5
LusterResinous to metallic
StreakGray white
DiaphaneitySubtranslucent to opaque
Specific gravity8.44 gm/cc
Density7.88–9.00 (on average 8.44) g/sm3
Optical propertiesUniaxial (+/−), a = 2.21, b = 2.213, bire = 0.0030
Refractive indexnα = 2.210, nβ = 2.213
Birefringenceδ = 2.210

Zavaritskite is a rare mineral of the halide class, bismuth oxyhalide with the chemical formula (BiO)F.[1][2] It is named after the Soviet geologist and petrographer, academician of the USSR Academy of Sciences Alexander Nikolaevich Zavaritsky. It was discovered in 1962 by Soviet scientists. Zavaritskite is part of matlockite group of minerals.[3][4][5]

  1. ^ "Mineralienatlas - Fossilienatlas" (in German). mineralienatlas.de. Retrieved 10 January 2023.
  2. ^ Pies, W.; Weiss, A. (December 1986). Comprehensive Index: Chemical Formulae and Mineral Names / Gesamtregister: Chemische Formeln und Mineralnamen. Springer Science & Business Media. p. 497. ISBN 978-3-540-16316-9. Retrieved 10 January 2023.
  3. ^ "Zavaritskite". mindat.org. Retrieved 11 January 2023.
  4. ^ "Zavaritskite". arizona.edu. Retrieved 10 January 2023.
  5. ^ "Zavaritskite R070488". RRUFF Project. Retrieved 10 January 2023.