Hemimorphite

Overview

Zn4Si2O7(OH)2·(H2O)
Fluorescence: white to light blue under SW and LW	Not Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	3.47 g/cc
Hardness - Mohs	Hemimorphite - 4.5-5  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	brown, colorless, gray, white
Streak	white

Crystal Properties

Property	Value
Crystal structure	orthorhombic - pyramidal
Cleavage	perfect
Tenacity	brittle
Fracture	uneven
Luster	vitreous, glassy

Similar Minerals

Dana Number : 56.01.02.01

Class: 56

Group: 56.01

Subgroup: 56.01.02 - hemimorphite

Dana Number	Mineral Name	Formula
56.01.02.01	hemimorphite	Zn4Si2O7(OH)2·(H2O)

Nickel-Strunz Number : 09.BD.10

Group : 09

Subgroup : BD

Nickel-Strunz Number	Mineral Name	Formula
09.BD.10	hemimorphite	Zn4Si2O7(OH)2·(H2O)

Specimens

Localities

Uses