Nordite-(Ce)

Overview

(Ce,La,Ca)(Sr,Ca)Na2(Na,Mn)(Zn,Mg)Si6O17
Fluorescence: none	Mildly Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	6.43-6.49 g/cc
Hardness - Mohs	Nordite-(Ce) - 5  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	light brown, dark brown, blackish brown
Streak	light brown

Crystal Properties

Property	Value
Crystal structure	orthorhombic - dipyramidal
Cleavage	distinct
Tenacity	brittle
Fracture	brittle
Luster	vitreous, greasy

Similar Minerals

Dana Number : 72.05.02.02

Class: 72

Group: 72.05

Subgroup: 72.05.02 - leucospenite

Dana Number	Mineral Name	Formula
72.05.02.02	nordite-(Ce)	(Ce,La,Ca)(Sr,Ca)Na2(Na,Mn)(Zn,Mg)Si6O17
72.05.02.06	manganonordite-(Ce)	Na3SrCeMn+2Si6O17

Nickel-Strunz Number : 09.DO.15

Group : 09

Subgroup : DO

Nickel-Strunz Number	Mineral Name	Formula
09.DO.15	manganonordite-(Ce)	Na3SrCeMn+2Si6O17
09.DO.15	nordite-(Ce)	(Ce,La,Ca)(Sr,Ca)Na2(Na,Mn)(Zn,Mg)Si6O17

Specimens

Localities

Uses