Yttrotantalite-(Y)

Overview

(Y,U,Fe+2)(Ta,Nb)O4
Fluorescence: none	Strongly Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	5.5-5.9 g/cc
Hardness - Mohs	Yttrotantalite-(Y) - 5.0-5.5  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	brownish black, yellow brown, yello
Streak	gray

Crystal Properties

Property	Value
Crystal structure	monoclinic - prismatic
Cleavage	imperfect
Tenacity	-
Fracture	conchoidal
Luster	sub metallic

Similar Minerals

Dana Number : 08.01.03.01

Class: 08

Group: 08.01

Subgroup: 08.01.03 - yttrotantalite-yttrocolumbite

Dana Number	Mineral Name	Formula
08.01.03.01	yttrotantalite-(Y)	(Y,U,Fe+2)(Ta,Nb)O4

Nickel-Strunz Number : 04.DG.10

Group : 04

Subgroup : DG

Nickel-Strunz Number	Mineral Name	Formula
04.DG.10	yttrotantalite-(Y)	(Y,U,Fe+2)(Ta,Nb)O4

Specimens

Localities

Uses