Foshagite

Overview

Ca4Si3O9(OH)2
Fluorescence: yellow to blue white under SW, yellow under LW	Not Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	2.36 g/cc
Hardness - Mohs	Foshagite - 3  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	white
Streak	white

Crystal Properties

Property	Value
Crystal structure	monoclinic - prismatic
Cleavage	distinct
Tenacity	brittle
Fracture	brittle
Luster	silky

Similar Minerals

Dana Number : 65.02.02.01

Class: 65

Group: 65.02

Subgroup: 65.02.02 - foshagite

Dana Number	Mineral Name	Formula
65.02.02.01	foshagite	Ca4Si3O9(OH)2

Nickel-Strunz Number : 09.DG.15

Group : 09

Subgroup : DG

Nickel-Strunz Number	Mineral Name	Formula
09.DG.15	foshagite	Ca4Si3O9(OH)2

Specimens

Localities

Uses