Zirconolite-(3O)

Overview

(Ca,Fe,Y,Th)2Fe(Ti,Nb)3Zr2O7
Fluorescence: none	Mildly Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	4.7 g/cc
Hardness - Mohs	Zirconolite-(3O) - 5.5  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	red, brown
Streak	dark brown

Crystal Properties

Property	Value
Crystal structure	orthorhombic - dipyramidal
Cleavage	indistinct
Tenacity	-
Fracture	-
Luster	resinous

Similar Minerals

Dana Number : 08.02.05.02

Class: 08

Group: 08.02

Subgroup: 08.02.05 - zirconolite

Dana Number	Mineral Name	Formula
08.02.05.02	zirconolite-(3O)	(Ca,Fe,Y,Th)2Fe(Ti,Nb)3Zr2O7

Nickel-Strunz Number : 04.DH.30

Group : 04

Subgroup : DH

Nickel-Strunz Number	Mineral Name	Formula
04.DH.30	zirconolite-(3O)	(Ca,Fe,Y,Th)2Fe(Ti,Nb)3Zr2O7

Specimens

Localities

Uses