Nechelyustovite

Overview

(Ba,Na)2{(Na,Ti,Mn)4[(Ti,Nb)2O2Si4O14](OH,O,F)2}
Fluorescence: none	Barely Detectable Radiation	Magnetic: no

Description

Physical Properties

Property	Value
Density	3.32-3.42 g/cc
Hardness - Mohs	Nechelyustovite - 3  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	white, gray, blue, yellow
Streak	white

Crystal Properties

Property	Value
Crystal structure	monoclinic - prismatic
Cleavage	perfect
Tenacity	-
Fracture	conchoidal
Luster	vitreous, pearly

Similar Minerals

Dana Number : 56.02.06b.05

Class: 56

Group: 56.02

Subgroup: 56.02.06b - seidozerite-lamprophyllite

Dana Number	Mineral Name	Formula
56.02.06b.01	bafertisite	Ba(Fe+2,Mn)2Ti(Si2O7)(O,OH)2
56.02.06b.05	nechelyustovite	(Ba,Na)2{(Na,Ti,Mn)4[(Ti,Nb)2O2Si4O14](OH,O,F)2}
56.02.06b.06	caryochroite	(Na,Sr)3(Fe+3,Mg)10(Ti2Si12O37)(O,OH)9·8(H2O)

Nickel-Strunz Number : 09.BE.55

Group : 09

Subgroup : BE

Nickel-Strunz Number	Mineral Name	Formula
09.BE.55	bafertisite	Ba(Fe+2,Mn)2Ti(Si2O7)(O,OH)2
09.BE.55	nechelyustovite	(Ba,Na)2{(Na,Ti,Mn)4[(Ti,Nb)2O2Si4O14](OH,O,F)2}

Specimens

Localities

Uses