Metavoltine

Overview

K4Na4(Fe+2,Zn)Fe+36(SO4)12O2·20(H2O)
Fluorescence: none	Barely Detectable Radiation	Magnetic: no

Description

Physical Properties

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

Crystal Properties

Property	Value
Crystal structure	trigonal - rhombohedral
Cleavage	perfect
Tenacity	-
Fracture	-
Luster	resinous

Similar Minerals

Dana Number : 29.04.06.01

Class: 29

Group: 29.04

Subgroup: 29.04.06 - metavoltine

Dana Number	Mineral Name	Formula
29.04.06.01	metavoltine	K4Na4(Fe+2,Zn)Fe+36(SO4)12O2·20(H2O)

Nickel-Strunz Number : 07.DF.35

Group : 07

Subgroup : DF

Nickel-Strunz Number	Mineral Name	Formula
07.DF.35	metavoltine	K4Na4(Fe+2,Zn)Fe+36(SO4)12O2·20(H2O)

Specimens

Localities

Uses