Glagolevite

Overview

NaMg6(Si3AlO10)(OH,O)8·(H2O)
Fluorescence: none	Not Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	2.66 g/cc
Hardness - Mohs	Glagolevite - 3.0-4.0  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	colorless
Streak	white

Crystal Properties

Property	Value
Crystal structure	triclinic - pedial
Cleavage	perfect
Tenacity	flexible
Fracture	flexible
Luster	vitreous, pearly

Similar Minerals

Dana Number : 71.04.02.09

Class: 71

Group: 71.04

Subgroup: 71.04.02 - chlorite-smectite

Dana Number	Mineral Name	Formula
71.04.02.04	tosudite	Na0.5(Al,Mg)6(Si,Al)8O18(OH)12·5(H2O)
71.04.02.05	corrensite	(Ca,Na,K)(Mg,Fe,Al)9(Si,Al)8O20(OH)10·n(H2O)
71.04.02.08	aliettite	(Mg3Si4O10(OH)2)(Ca0.5,Na)0.33(Al,Mg,Fe+2)2-3(Si,Al)4O10(OH)2·n(H2O)
71.04.02.09	glagolevite	NaMg6(Si3AlO10)(OH,O)8·(H2O)

Nickel-Strunz Number : 09.EC.55

Group : 09

Subgroup : EC

Nickel-Strunz Number	Mineral Name	Formula
09.EC.55	clinochlore	(Mg,Fe+2)5Al(Si3Al)O10(OH)8
09.EC.55	cookeite	LiAl4(Si3Al)O10(OH)8
09.EC.55	glagolevite	NaMg6(Si3AlO10)(OH,O)8·(H2O)
09.EC.55	kämmererite	(Mg,Fe+2)5Al(Si3Al)O10(OH)8
09.EC.55	pennantite	Mn5Al(Si3Al)O10(OH)8

Specimens

Localities

Uses