Parsettensite

Overview

(K,Na,Ca)(Mn,Al)7Si8O20(OH)8·2(H2O)
Fluorescence: none	Barely Detectable Radiation	Magnetic: no

Description

Physical Properties

Property	Value
Density	2.59 g/cc
Hardness - Mohs	Parsettensite - 1.5  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	red, brown
Streak	brown yellow

Crystal Properties

Property	Value
Crystal structure	monoclinic - prismatic
Cleavage	perfect
Tenacity	flexible
Fracture	micaceous
Luster	vitreous, glassy

Similar Minerals

Dana Number : 74.01.03.01

Class: 74

Group: 74.01

Subgroup: 74.01.03 - parsettensite

Dana Number	Mineral Name	Formula
74.01.03.01	parsettensite	(K,Na,Ca)(Mn,Al)7Si8O20(OH)8·2(H2O)

Nickel-Strunz Number : 09.EG.40

Group : 09

Subgroup : EG

Nickel-Strunz Number	Mineral Name	Formula
09.EG.40	parsettensite	(K,Na,Ca)(Mn,Al)7Si8O20(OH)8·2(H2O)
09.EG.40	stilpnomelane	K(Fe+2,Mg,Fe+3)8(Si,Al)12(O,OH)27·n(H2O)

Specimens

Localities

Uses