Azurite-Malachite Crystal Cluster — Cabinet Specimen

$643.45
Chemical FormulaCu₃(CO₃)₂(OH)₂ / Cu₂(CO₃)(OH)₂
Crystal SystemMonoclinic
Mohs Hardness3.5–4
Specific Gravity3.77
LusterVitreous
TransparencyTranslucent to opaque

Azurite — deep Prussian blue — gradually converts to green malachite as conditions change. The Chessy locality near Lyon gave azurite its historical name ‘chessylite.’ Specimens sh…

5 in stock

SKU: TC-MIN-0183
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Description

Science and beauty are rarely in conflict. Here they converge. Azurite — deep Prussian blue — gradually converts to green malachite as conditions change. The Chessy locality near Lyon gave azurite its historical name ‘chessylite.’ Specimens showing both minerals in a single cluster are among mineralogy’s most painterly.

This specimen originates from Chessy-les-Mines, France, one of the world’s most significant localities for this type of material. Collectors and scientists have drawn from this region for generations, and for good reason: the combination of geological conditions here produces specimens of exceptional quality and clarity.

Every specimen is unique. Photographs approximate the visual experience, but the real thing — its weight, its luster under a raking light, the way it catches the corner of your eye — can only be experienced directly.

Formation

This specimen formed through geological processes operating over timescales that dwarf human history. The specific combination of chemistry, temperature, pressure, and time at this locality produced material of exceptional quality that makes it a valued addition to any serious collection.

Locality

Azurite-Malachite Crystal Cluster — Cabinet Specimen from Chessy-les-Mines, France. This locality is known for producing specimens of exceptional quality.

Collector Notes

Display away from direct sunlight; some minerals fade under prolonged UV exposure.