Ulexite

Overview

NaCaB5O6(OH)6·5(H2O)
Fluorescence: weak yellow-white under SW and LW	Not Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	1.95-1.96 g/cc
Hardness - Mohs	Ulexite - 2.5  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	colorless, white
Streak	white

Crystal Properties

Property	Value
Crystal structure	triclinic - pinacoidal
Cleavage	perfect
Tenacity	brittle
Fracture	brittle
Luster	chatoyant

Similar Minerals

Dana Number : 26.05.11.01

Class: 26

Group: 26.05

Subgroup: 26.05.11 - ulexite

Dana Number	Mineral Name	Formula
26.05.11.01	ulexite	NaCaB5O6(OH)6·5(H2O)

Nickel-Strunz Number : 06.EA.25

Group : 06

Subgroup : EA

Nickel-Strunz Number	Mineral Name	Formula
06.EA.25	ulexite	NaCaB5O6(OH)6·5(H2O)

Specimens

Localities

Uses