Freudenbergite

Overview

Na2Fe+32Ti6O16
Fluorescence: none	Not Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	4.3 g/cc
Hardness - Mohs	Freudenbergite - -  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	gray, black, brownish black
Streak	light yellow brown

Crystal Properties

Property	Value
Crystal structure	monoclinic - prismatic
Cleavage	good
Tenacity	-
Fracture	-
Luster	vitreous, glassy

Similar Minerals

Dana Number : 07.09.03.01

Class: 07

Group: 07.09

Subgroup: 07.09.03 - freudenbergite

Dana Number	Mineral Name	Formula
07.09.03.01	freudenbergite	Na2Fe+32Ti6O16

Nickel-Strunz Number : 04.CC.10

Group : 04

Subgroup : CC

Nickel-Strunz Number	Mineral Name	Formula
04.CC.10	freudenbergite	Na2Fe+32Ti6O16

Specimens

Localities

Uses