Pollucite

Overview

(Cs,Na)2Al2Si4O12·(H2O)
Fluorescence: white or blue green under SW, light orange under LW	Barely Detectable Radiation	Magnetic: no

Description

Physical Properties

Property	Value
Density	2.9 g/cc
Hardness - Mohs	Pollucite - 6.5  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	colorless, white, gray, pink, blue
Streak	white

Crystal Properties

Property	Value
Crystal structure	isometric - hexoctahedral
Cleavage	none
Tenacity	brittle
Fracture	uneven
Luster	vitreous, dull

Similar Minerals

Dana Number : 77.01.01.02

Class: 77

Group: 77.01

Subgroup: 77.01.01 - analcime

Dana Number	Mineral Name	Formula
77.01.01.01	analcime	NaAlSi2O6·(H2O)
77.01.01.02	pollucite	(Cs,Na)2Al2Si4O12·(H2O)
77.01.01.03	wairakite	CaAl2Si4O12·2(H2O)
77.01.01.04	laumontite	CaAl2Si4O12·4(H2O)

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