Azurmalachite

Big Photo

Bisbee, Cochise County, Arizona, USA
15.79 carats
© Palagems

Azurmalachite is a mixture of azurite and malachite. It is an attractive stone which combines vivid blue colour of azurite and saturated green colour of malachite. It can be cut into cabochons or used for small objects d'art.
2 photos

Azurmalachite Gemstones by Colour

This table shows the variety of hues this gemstone can be found in. Click on a photo for more information.
 
General Information
Chemical Formula
(Cu)
 
3
(OH)
 
2
(CO
 
3
)
 
2
 + Cu
 
2
(CO
 
3
)(OH)
 
2
Gemdat.org, Management Team (2012)
Physical Properties of Azurmalachite
Mohs Hardness3.5 to 4
Gemdat.org, Management Team (2012)
Specific Gravity3.70 to 3.95
Gemdat.org, Management Team (2012)
Cleavage QualityPerfect
Gemdat.org, Management Team (2012)
FractureConchoidal
Gemdat.org, Management Team (2012)
Optical Properties of Azurmalachite
Refractive Index1.655 to 1.909
Gemdat.org, Management Team (2012)
Optical CharacterBiaxial/+,-
Gemdat.org, Management Team (2012)
Birefringence0.108 to 0.254
Gemdat.org, Management Team (2012)
Colour
Colour (General)Blue and green bands.
Gemdat.org, Management Team (2012)
TransparencyTranslucent,Opaque
Gemdat.org, Management Team (2012)
LustreVitreous,Silky,Dull (Earthy)
Gemdat.org, Management Team (2012)
Crystallography of Azurmalachite
Crystal SystemMonoclinic
Gemdat.org, Management Team (2012)
HabitBall- or kidney-shaped.
Walter Schumann, Gemstones of the world (2001)
Further Information
Mineral information:Azurmalachite information at mindat.org
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