Datolite

Overview

CaBSiO4(OH)
Fluorescence: none	Not Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	2.8-3.0 g/cc
Hardness - Mohs	Datolite - 5.5  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	brown, colorless, yellow, white, green
Streak	white

Crystal Properties

Property	Value
Crystal structure	monoclinic - prismatic
Cleavage	none
Tenacity	brittle
Fracture	brittle
Luster	vitreous, glassy

Similar Minerals

Dana Number : 54.02.01a.01

Class: 54

Group: 54.02

Subgroup: 54.02.01a - datolite

Dana Number	Mineral Name	Formula
54.02.01a.01	datolite	CaBSiO4(OH)

Nickel-Strunz Number : 09.AJ.20

Group : 09

Subgroup : AJ

Nickel-Strunz Number	Mineral Name	Formula
09.AJ.20	bakerite	Ca4B4(BO4)(SiO4)3(OH)3·(H2O)
09.AJ.20	datolite	CaBSiO4(OH)
09.AJ.20	gadolinite-(Y)	Y2Fe+2Be2Si2O10

Specimens

Localities

Uses