Leucite

Overview

KAl(Si2O6)
Fluorescence: none	Barely Detectable Radiation	Magnetic: no

Description

Physical Properties

Property	Value
Density	2.47 g/cc
Hardness - Mohs	Leucite - 6  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	colorless, gray, white
Streak	white

Crystal Properties

Property	Value
Crystal structure	tetragonal - dipyramidal
Cleavage	indistinct
Tenacity	brittle
Fracture	conchoidal
Luster	vitreous, glassy

Similar Minerals

Dana Number : 76.02.02.01

Class: 76

Group: 76.02

Subgroup: 76.02.02 - leucite

Dana Number	Mineral Name	Formula
76.02.02.01	leucite	KAl(Si2O6)

Nickel-Strunz Number : 09.GB.05

Group : 09

Subgroup : GB

Nickel-Strunz Number	Mineral Name	Formula
09.GB.05	analcime	NaAlSi2O6·(H2O)
09.GB.05	leucite	KAl(Si2O6)
09.GB.05	pollucite	(Cs,Na)2Al2Si4O12·(H2O)
09.GB.05	wairakite	CaAl2Si4O12·2(H2O)

Specimens

Localities

Uses