Ilmajokite

Overview

(Na,Ce,La,Ba)2TiSi3O5(OH)10·n(H2O)
Fluorescence: none	Weakly Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	2.2 g/cc
Hardness - Mohs	Ilmajokite - 1  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	-
Luster	vitreous, glassy

Similar Minerals

Dana Number : 78.07.05.01

Class: 78

Group: 78.07

Subgroup: 78.07.05 - ilmajokite

Dana Number	Mineral Name	Formula
78.07.05.01	ilmajokite	(Na,Ce,La,Ba)2TiSi3O5(OH)10·n(H2O)

Nickel-Strunz Number : 09.HB.05

Group : 09

Subgroup : HB

Nickel-Strunz Number	Mineral Name	Formula
09.HB.05	ilmajokite	(Na,Ce,La,Ba)2TiSi3O5(OH)10·n(H2O)

Specimens

Localities

Uses