Tveitite-(Y)

Overview

Ca1-xYxF2+x
Fluorescence: yellow orange under SW	Not Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	3.99 g/cc
Hardness - Mohs	Tveitite-(Y) - -  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	white, yellow
Streak	white

Crystal Properties

Property	Value
Crystal structure	trigonal - rhombohedral
Cleavage	-
Tenacity	-
Fracture	-
Luster	greasy

Similar Minerals

Dana Number : 09.02.01.03

Class: 09

Group: 09.02

Subgroup: 09.02.01 - fluorite

Dana Number	Mineral Name	Formula
09.02.01.01	antozonite	CaF2
09.02.01.01	fluorite	CaF2
09.02.01.02	frankdicksonite	BaF2
09.02.01.03	tveitite-(Y)	Ca1-xYxF2+x

Nickel-Strunz Number : 03.AB.30

Group : 03

Subgroup : AB

Nickel-Strunz Number	Mineral Name	Formula
03.AB.30	tveitite-(Y)	Ca1-xYxF2+x

Specimens

Localities

Uses