Mineral description : Conichalcite

Conichalcite from Pastrana, Muras, Spain.

Mineral class Phosphates : Vivianite - Skorodite - Triplite group.

Chemical formula CaCuAsO₄(OH)

Crystal system Orthorombic.

Habitus Acicular to fibrous, as compact crusts and botryoidal masses.

Cleavage None.

Hardness 4.5

Density 4.1-4.33

Color Grass green to light green.

Streak Green.

Luster Vitreous.

Description

Occurance In the oxidation cone of copper ore bodies.

Associates Malachite, Azurite, Linnarite.

Notes Type locality : Hinojosa, Cordova, Spain.
Discovered by Breithaup and Fritzsche in 1849.
No fluorescens.

Locations Not found in Sweden or Norway. Good localities exists in several places :

Cordova, Spain.
Bisbee, USA
Utah, Nevada and Arizona, USA.
Other countries it is found in are Mexico, Chile, Poland and Zaire.

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axelsson@acc.umu.se

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Last changed : 1998-09-16

Mineral class	Phosphates : Vivianite - Skorodite - Triplite group.
Chemical formula	CaCuAsO₄(OH)
Crystal system	Orthorombic.
Habitus	Acicular to fibrous, as compact crusts and botryoidal masses.
Cleavage	None.
Hardness	4.5
Density	4.1-4.33
Color	Grass green to light green.
Streak	Green.
Luster	Vitreous.
Description
Occurance	In the oxidation cone of copper ore bodies.
Associates	Malachite, Azurite, Linnarite.
Notes	Type locality : Hinojosa, Cordova, Spain. Discovered by Breithaup and Fritzsche in 1849. No fluorescens.
Locations	Not found in Sweden or Norway. Good localities exists in several places : Cordova, Spain. Bisbee, USA Utah, Nevada and Arizona, USA. Other countries it is found in are Mexico, Chile, Poland and Zaire.