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Abstract <p>Brunovskyite, NaZrSi<sub>2</sub>O<sub>6</sub>(OH), is a new mineral from the pegmatites of Takhtarvumchorr Mountain, the Khibiny Massif, Russia. The mineral forms white powder-like aggregate rims around parakeldyshite, which it replaces. The mineral is triclinic, space group <i>P</i>-1. The unit-cell parameters refined from powder XRD data: <i>a</i> = 5.5472(4) Å, <i>b</i> = 7.1960(6) Å, <i>c</i> = 7.6177(5) Å, α <i>=</i> 64.880(6)°, β <i>=</i> 81.509(8)°, γ <i>=</i> 89.048(7)°<i>,</i> <i>V</i>&#xa0;=&#xa0;271.94(3) Å<sup>3</sup>. The eight most intense lines of the powder XRD pattern (<i>I</i>-<i>d</i>[Å]-<i>hkl</i>) are 94-6.50-010; 47-6.22-011; 73-3.94-1-1-1; 98-3.41-002; 100-3.03-121; 77-2.976-1-2-1; 36-2.744-200; 39-1.7961-042. Brunovskyite belongs to the group of zirconosilicates and is dimorphic with keldyshite. The mineral was named as a tribute to Bruno Karlovich Brunovsky (1900–1938), a Soviet crystallographer who solved the first crystal structure in the Soviet Union.</p>

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Brunovskyite, NaZrSi2O6(OH), a New Mineral from the Khibiny Massif

  • 期刊论文

  • 发表日期：

    2025年7月4日

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  • T. L. Panikorovskii,
  • V. N. Yakovenchuk,
  • A. V. Bazai,
  • V. N. Bocharov,
  • O. F. Goychuk,
  • A. A. Antonov,
  • N. A. Kabanova,
  • S. V. Krivovichev

摘要

Abstract

Brunovskyite, NaZrSi2O6(OH), is a new mineral from the pegmatites of Takhtarvumchorr Mountain, the Khibiny Massif, Russia. The mineral forms white powder-like aggregate rims around parakeldyshite, which it replaces. The mineral is triclinic, space group P-1. The unit-cell parameters refined from powder XRD data: a = 5.5472(4) Å, b = 7.1960(6) Å, c = 7.6177(5) Å, α = 64.880(6)°, β = 81.509(8)°, γ = 89.048(7)°, V = 271.94(3) Å3. The eight most intense lines of the powder XRD pattern (I-d[Å]-hkl) are 94-6.50-010; 47-6.22-011; 73-3.94-1-1-1; 98-3.41-002; 100-3.03-121; 77-2.976-1-2-1; 36-2.744-200; 39-1.7961-042. Brunovskyite belongs to the group of zirconosilicates and is dimorphic with keldyshite. The mineral was named as a tribute to Bruno Karlovich Brunovsky (1900–1938), a Soviet crystallographer who solved the first crystal structure in the Soviet Union.