Probertite

Overview

NaCaB5O7(OH)4·3(H2O)
Fluorescence: yellow under SW and LW	Not Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	2.14 g/cc
Hardness - Mohs	Probertite - 3.5  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	colorless
Streak	white

Crystal Properties

Property	Value
Crystal structure	monoclinic - prismatic
Cleavage	perfect
Tenacity	brittle
Fracture	brittle
Luster	vitreous, glassy

Similar Minerals

Dana Number : 26.05.12.01

Class: 26

Group: 26.05

Subgroup: 26.05.12 - probertite

Dana Number	Mineral Name	Formula
26.05.12.01	probertite	NaCaB5O7(OH)4·3(H2O)

Nickel-Strunz Number : 06.EB.15

Group : 06

Subgroup : EB

Nickel-Strunz Number	Mineral Name	Formula
06.EB.15	probertite	NaCaB5O7(OH)4·3(H2O)

Specimens

Localities

Uses