
Image: <bdi><a href="https://www.wikidata.org/wiki/Q56247090" class="extiw" title="d:Q56247090"><span title="mineral collector and dealer">Robert M. Lavinsky</span></a></bdi> (CC BY-SA 3.0)
monoclinicuncommoncarbonates
Azurite
Cu₃(CO₃)₂(OH)₂
This specimen features vibrant deep azure blue Azurite crystals, often forming botryoidal or radiating aggregates, intimately associated with bright green Malachite.
Azurite Physical Properties
Mohs Hardness
3.5Crystal System
monoclinicLuster
vitreousStreak Color
light blueCleavage
good on {011}, poor on {100}Fracture
conchoidalSpecific Gravity
3.8Colors
azure blue, deep blue, sky blueTransparency
transparent to opaqueType Locality
Concepción del Oro, MexicoMineral Group
carbonatesUses
collector, pigment, minor copper oreAssociated Minerals
malachite, cuprite, chrysocolla, native copperRarity
uncommonGeological Context
Azurite is a secondary mineral that forms in the oxidation zones of copper ore deposits, typically in arid or semi-arid climates, resulting from the alteration of primary copper sulfides.