Vlasovite

Overview

Na2ZrSi4O11
Fluorescence: orange-yellow under SW and LW	Not Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	2.97 g/cc
Hardness - Mohs	Vlasovite - 6  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	colorless
Streak	white

Crystal Properties

Property	Value
Crystal structure	monoclinic - prismatic
Cleavage	distinct
Tenacity	brittle
Fracture	conchoidal
Luster	vitreous, greasy

Similar Minerals

Dana Number : 66.02.02.01

Class: 66

Group: 66.02

Subgroup: 66.02.02 - vlasovite

Dana Number	Mineral Name	Formula
66.02.02.01	vlasovite	Na2ZrSi4O11

Nickel-Strunz Number : 09.DM.25

Group : 09

Subgroup : DM

Nickel-Strunz Number	Mineral Name	Formula
09.DM.25	vlasovite	Na2ZrSi4O11

Specimens

Localities

Uses