Calciotantite

Overview

Ca(Ta,Nb)4O11
Fluorescence: none	Not Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	7.46 g/cc
Hardness - Mohs	Calciotantite - 6.5  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	colorless
Streak	white

Crystal Properties

Property	Value
Crystal structure	hexagonal - trapezohedral
Cleavage	none
Tenacity	-
Fracture	-
Luster	adamantine

Similar Minerals

Dana Number : 08.06.02.01

Class: 08

Group: 08.06

Subgroup: 08.06.02 - calciotantite

Dana Number	Mineral Name	Formula
08.06.02.01	calciotantite	Ca(Ta,Nb)4O11

Nickel-Strunz Number : 04.DJ.05

Group : 04

Subgroup : DJ

Nickel-Strunz Number	Mineral Name	Formula
04.DJ.05	calciotantite	Ca(Ta,Nb)4O11

Specimens

Localities

Uses