Petarasite

Overview

Na5Zr2Si6O18(Cl,OH)·2(H2O)
Fluorescence: none	Not Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	2.88 g/cc
Hardness - Mohs	Petarasite - 5.0-5.5  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	yellow
Streak	white

Crystal Properties

Property	Value
Crystal structure	monoclinic - prismatic
Cleavage	perfect
Tenacity	brittle
Fracture	subconchoidal
Luster	vitreous, glassy

Similar Minerals

Dana Number : 61.01.02b.03

Class: 61

Group: 61.01

Subgroup: 61.01.02b - lovozerite

Dana Number	Mineral Name	Formula
61.01.02b.03	petarasite	Na5Zr2Si6O18(Cl,OH)·2(H2O)

Nickel-Strunz Number : 09.CJ.40

Group : 09

Subgroup : CJ

Nickel-Strunz Number	Mineral Name	Formula
09.CJ.40	petarasite	Na5Zr2Si6O18(Cl,OH)·2(H2O)

Specimens

Localities

Uses