Azurite Gemstones by Colour
This table shows the variety of hues this gemstone can be found in. Click on a photo for more information.
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Azurite Gemstones by Size
This table shows distribution of Azurite gemstone sizes that are listed on this site. This can give a good indication as to the general availability of this gemstone in different sizes.
Contributed photos
Lightest:1.90 cts
Heaviest:44.07 cts
Average:23.08 cts
Total photos:3
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| General Information | |||||||||||||||||||
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| Other Names/Trade Names: | |||||||||||||||||||
| Chemical Formula |
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| Azurite Treatments | |||||||||||||||||||
| May be coated with colorless wax - Blue Chart Gem Identification, Herve Nicolas Lazzarelli, 2010, p 3 | |||||||||||||||||||
| Physical Properties of Azurite | |||||||||||||||||||
| Mohs Hardness | 3.5 to 4, Blue Chart Gem Identification (2010) More from other references | ||||||||||||||||||
| Specific Gravity | 3.70 to 3.90, Blue Chart Gem Identification (2010) More from other references | ||||||||||||||||||
| Cleavage Quality | Perfect, Gemmological Tables (2004) More from other references | ||||||||||||||||||
| Fracture | Conchoidal, Gemstones (2009) | ||||||||||||||||||
| Optical Properties of Azurite | |||||||||||||||||||
| Refractive Index | 1.730 to 1.838, Gemmological Tables (2004) More from other references | ||||||||||||||||||
| Optical Character | Biaxial/+, Blue Chart Gem Identification (2010) More from other references | ||||||||||||||||||
| Birefringence | 0.108 to 0.110, Blue Chart Gem Identification (2010) DoublingMore from other references | ||||||||||||||||||
| Pleochroism | Distinct: dark-blue - light blue, Blue Chart Gem Identification (2010) More from other references | ||||||||||||||||||
| Dispersion | Visible, Gemstones (2009) | ||||||||||||||||||
| Colour | |||||||||||||||||||
| Colour (General) | Blue, Gems, Sixth Edition (2006) More from other references | ||||||||||||||||||
| Causes of Colour | Blue, Cu2+ in elongated octahedral coordination, Pragmatic Spectroscopy For Gemologists (2011) | ||||||||||||||||||
| Transparency | Translucent,Opaque, Gemmological Tables (2004) More from other references | ||||||||||||||||||
| Lustre | Vitreous, Gemstones (2009) | ||||||||||||||||||
| Crystallography of Azurite | |||||||||||||||||||
| Crystal System | Monoclinic, Blue Chart Gem Identification (2010) More from other references | ||||||||||||||||||
| Habit | Crystals of varied habit, often in spherical radiating groups. It is common in botryoidal or stalagmitic groups and massive in veins with malachite., Gems, Sixth Edition (2006) More from other references | ||||||||||||||||||
| Geological Environment | |||||||||||||||||||
| Where found: | Azurite is found in the oxidized zones of copper deposits and is very often intimately associated with malachite to the extent that the name azur-malachite has been used., Gems, Sixth Edition (2006) | ||||||||||||||||||
| Inclusions in Azurite | |||||||||||||||||||
| Common as banded aggregate in wavy pattern: often intergrown with malachite - Blue Chart Gem Identification, Herve Nicolas Lazzarelli, 2010, p 3 | |||||||||||||||||||
| Further Information | |||||||||||||||||||
| Mineral information: | Azurite information at mindat.org | ||||||||||||||||||
| Significant Gem Localities | |||||||||||||||||||
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