Kingsmountite

Overview

(Ca,Mn+2)4(Fe+2,Mn+2)Al4(PO4)6(OH)4·12(H2O)
Fluorescence: none	Not Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	2.51 g/cc
Hardness - Mohs	Kingsmountite - 2.5  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	brown, white
Streak	white

Crystal Properties

Property	Value
Crystal structure	monoclinic - sphenoidal
Cleavage	-
Tenacity	-
Fracture	-
Luster	pearly

Similar Minerals

Dana Number : 42.11.08.02

Class: 42

Group: 42.11

Subgroup: 42.11.08 - montgomeryite

Dana Number	Mineral Name	Formula
42.11.08.02	kingsmountite	(Ca,Mn+2)4(Fe+2,Mn+2)Al4(PO4)6(OH)4·12(H2O)
42.11.08.03	calcioferrite	Ca4Fe+2(Fe+3,Al)4(PO4)6(OH)4·12(H2O)
42.11.08.05	angastonite	CaMgAl2(PO4)2(OH)4·7(H2O)

Nickel-Strunz Number : 08.DH.25

Group : 08

Subgroup : DH

Nickel-Strunz Number	Mineral Name	Formula
08.DH.25	calcioferrite	Ca4Fe+2(Fe+3,Al)4(PO4)6(OH)4·12(H2O)
08.DH.25	kingsmountite	(Ca,Mn+2)4(Fe+2,Mn+2)Al4(PO4)6(OH)4·12(H2O)

Specimens

Localities

Uses