Hilairite

Overview

Na2ZrSi3O9·3(H2O)
Fluorescence: none	Not Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	2.724 g/cc
Hardness - Mohs	Hilairite - 4.5  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	brown, yellow, colorless, white, pink, red
Streak	white

Crystal Properties

Property	Value
Crystal structure	hexagonal - hexagonal scalenohedral
Cleavage
Tenacity	brittle
Fracture	conchoidal
Luster	vitreous

Similar Minerals

Dana Number : 59.02.03.01

Class: 59

Group: 59.02

Subgroup: 59.02.03 - hilairite

Dana Number	Mineral Name	Formula
59.02.03.01	hilairite	Na2ZrSi3O9·3(H2O)
59.02.03.02	calciohilairite	CaZrSi3O9·3(H2O)

Nickel-Strunz Number : 09.DM.10

Group : 09

Subgroup : DM

Nickel-Strunz Number	Mineral Name	Formula
09.DM.10	calciohilairite	CaZrSi3O9·3(H2O)
09.DM.10	hilairite	Na2ZrSi3O9·3(H2O)

Specimens

Localities

Uses