Latrappite

Overview

(Ca,Na)(Nb,Ti,Fe)O3
Fluorescence: none	Not Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	4.4 g/cc
Hardness - Mohs	Latrappite - 5.5  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	black
Streak	gray

Crystal Properties

Property	Value
Crystal structure	orthorhombic - dipyramidal
Cleavage	none
Tenacity	-
Fracture	-
Luster	metallic

Similar Minerals

Dana Number : 04.03.03.02

Class: 04

Group: 04.03

Subgroup: 04.03.03 - perovskite

Dana Number	Mineral Name	Formula
04.03.03.01	perovskite	CaTiO3
04.03.03.02	latrappite	(Ca,Na)(Nb,Ti,Fe)O3
04.03.03.04	lueshite	NaNbO3
04.03.03.08	lakargiite	CaZrO3

Nickel-Strunz Number : 04.CC.30

Group : 04

Subgroup : CC

Nickel-Strunz Number	Mineral Name	Formula
04.CC.30	lakargiite	CaZrO3
04.CC.30	latrappite	(Ca,Na)(Nb,Ti,Fe)O3
04.CC.30	lueshite	NaNbO3
04.CC.30	perovskite	CaTiO3

Specimens

Localities

Uses