Mcguinnessite

Overview

(Mg,Cu)2(CO3)(OH)2
Fluorescence: none	Not Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	3.02-3.22 g/cc
Hardness - Mohs	Mcguinnessite - 2.5  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	blue green, green, white
Streak	-

Crystal Properties

Property	Value
Crystal structure	monoclinic - prismatic
Cleavage	-
Tenacity	brittle
Fracture	even
Luster	vitreous, silky

Similar Minerals

Dana Number : 16a.03.01.05

Class: 16a

Group: 16a.03

Subgroup: 16a.03.01 - rosasite

Dana Number	Mineral Name	Formula
16a.03.01.04	zincrosasite	(Zn,Cu)2(CO3)(OH)2
16a.03.01.05	mcguinnessite	(Mg,Cu)2(CO3)(OH)2

Nickel-Strunz Number : 05.BA.10

Group : 05

Subgroup : BA

Nickel-Strunz Number	Mineral Name	Formula
05.BA.10	malachite	Cu2+2(CO3)(OH)2
05.BA.10	mcguinnessite	(Mg,Cu)2(CO3)(OH)2
05.BA.10	rosasite	(Cu,Zn)2(CO3)(OH)2
05.BA.10	zincrosasite	(Zn,Cu)2(CO3)(OH)2

Specimens

Localities

Uses