Arrojadite-(KFe)

Overview

KNa2CaNa2(Fe+2,Mn,Mg)13Al(PO4)11(PO3OH)(OH,F)2
Fluorescence: none	Barely Detectable Radiation	Magnetic: no

Description

Physical Properties

Property	Value
Density	3.56 g/cc
Hardness - Mohs	Arrojadite-(KFe) - 5  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	green, brown, yellow
Streak	gray green

Crystal Properties

Property	Value
Crystal structure	monoclinic - domatic
Cleavage	distinct
Tenacity	-
Fracture	-
Luster	vitreous, glassy

Similar Minerals

Dana Number : 41.07.02a.02

Class: 41

Group: 41.07

Subgroup: 41.07.02a - arrojadite

Dana Number	Mineral Name	Formula
41.07.02a.02	arrojadite-(KFe)	KNa2CaNa2(Fe+2,Mn,Mg)13Al(PO4)11(PO3OH)(OH,F)2

Nickel-Strunz Number : 08.BF.05

Group : 08

Subgroup : BF

Nickel-Strunz Number	Mineral Name	Formula
08.BF.05	arrojadite-(KFe)	KNa2CaNa2(Fe+2,Mn,Mg)13Al(PO4)11(PO3OH)(OH,F)2

Specimens

Localities

Uses