Ternesite

Overview

Ca5(SiO4)2(SO4)
Fluorescence: none	Not Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	2.94-2.98 g/cc
Hardness - Mohs	Ternesite - 4.5  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	colorless, bright blue
Streak	white

Crystal Properties

Property	Value
Crystal structure	orthorhombic - dipyramidal
Cleavage	none
Tenacity	brittle
Fracture	-
Luster	vitreous, glassy

Similar Minerals

Dana Number : 53.02.04.01

Class: 53

Group: 53.02

Subgroup: 53.02.04 - ternesite

Dana Number	Mineral Name	Formula
53.02.04.01	ternesite	Ca5(SiO4)2(SO4)

Nickel-Strunz Number : 09.AH.20

Group : 09

Subgroup : AH

Nickel-Strunz Number	Mineral Name	Formula
09.AH.20	ternesite	Ca5(SiO4)2(SO4)

Specimens

Localities

Uses