Tinzenite

Overview

(Ca,Mn,Fe)3Al2BO3Si4O12(OH)
Fluorescence: none	Not Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	3.29 g/cc
Hardness - Mohs	Tinzenite - 6.5-7.0  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	yellow, orange, red
Streak	-

Crystal Properties

Property	Value
Crystal structure	triclinic - pinacoidal
Cleavage	good
Tenacity	brittle
Fracture	uneven
Luster	vitreous, glassy

Similar Minerals

Dana Number : 56.02.02.04

Class: 56

Group: 56.02

Subgroup: 56.02.02 - axinite

Dana Number	Mineral Name	Formula
56.02.02.01	axinite-(Fe)	Ca2Fe+2Al2(BO3)(Si4O12)(OH)
56.02.02.01	ferroaxinite	Ca2Fe+2Al2(BO3)(Si4O12)(OH)
56.02.02.02	axinite-(Mg)	Ca2MgAl2(BO3)(Si4O12)(OH)
56.02.02.03	axinite-(Mn)	Ca2Mn+2Al2(BO3)(Si4O12)(OH)
56.02.02.04	tinzenite	(Ca,Mn,Fe)3Al2BO3Si4O12(OH)

Nickel-Strunz Number : 09.BD.20

Group : 09

Subgroup : BD

Nickel-Strunz Number	Mineral Name	Formula
09.BD.20	axinite-(Fe)	Ca2Fe+2Al2(BO3)(Si4O12)(OH)
09.BD.20	axinite-(Mg)	Ca2MgAl2(BO3)(Si4O12)(OH)
09.BD.20	axinite-(Mn)	Ca2Mn+2Al2(BO3)(Si4O12)(OH)
09.BD.20	ferroaxinite	Ca2Fe+2Al2(BO3)(Si4O12)(OH)
09.BD.20	tinzenite	(Ca,Mn,Fe)3Al2BO3Si4O12(OH)

Specimens

Localities

Uses