Suzukiite – polymorphic to Bavsiite

Suzukiite

• Named in honor of Jun Suzuki, a professor of mineralogy and petrology, at the Hokkaido University, Sapporo (Japan).
• Suzukiite belongs to the inosilicates (chain silicates) and is polymorphic to Bavsiite, which is tetragonal.
• Formula: BaVSi₂O₇
• Space group: Cmcm (No. 63)
• Crystal system: orthorhombic
• Crystal class: mmm
• Lattice parameters: a = 5.3546(16), b = 15.249(5) Å, c = 7.094(2) Å, α = β = γ = 90°

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Picture: D. Nishio-Hamane – CC BY-NC-SA 2.0

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Crystal structure (click on the picture to download the VESTA file):

(K. Momma and F. Izumi, “VESTA 3 for three-dimensional visualization of crystal, volumetric and morphology data,”J. Appl. Crystallogr., 44, 1272-1276 (2011).)

 

• BaO₁₀ polyhedra (not shown as polyhedra, Ba green)
• SiO₄ tetrahedra (yellow)
• VO₅ square pyramids (purple)
• Oxygen (red)

For a 3D interactive version on sketchfab, see here:

https://skfb.ly/6Q6GC

Reference:
Crystal Structure of Suzukiite from the Mogurazawa Mine, Gunma Prefecture, Japan,
M. Ito, S. Matsubara, K. Yokoyama, K. Momma, R. Miyawaki, I. Nakai, A. Kato
Journal of Mineralogical and Petrological Sciences 2014, 109, 222-227

DOI: 10.2465/jmps.140520

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