Chalcopyrite and Pyrite Cluster, Hunan
Dive into the brilliant world of sulfide minerals with this striking chalcopyrite and pyrite crystal cluster. Harvested from the famed Hunan province of China, it features glimmering surfaces that radiate a captivating metallic sheen. The unique interplay between golden pyrite and the iridescent tones of chalcopyrite creates an eye-catching centerpiece for any crystal lover or collector.
Specimen details
| Mineral | Pyrite |
|---|---|
| Locality | Hunan Province, China |
| Crystal system | Isometric |
| Dimensions | 5.8 cm × 5.1 cm × 3.0 cm |
| Weight | 140 g |
| Color | Metallic |
| Size | Small Cabinet (2–4 inches / 5–10 cm) |
| Species | Chalcopyrite, Pyrite |
| Condition | No damage on display faces |
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About this specimen
Chalcopyrite and Pyrite come together in this stunning metallic crystal cluster, offering a rare geological specimen from Hunan. Perfect for enthusiasts and collectors, this unique piece serves as both an educational example and a striking decor element for any geology lover's space.
Chalcopyrite (CuFeS2) crystallizes in the tetragonal system and is known for its brassy to golden yellow color often exhibiting an iridescent tarnish that can display vibrant blues, purples, and greens. It has a Mohs hardness of 3.5 to 4, with a metallic luster that enhances its vivid appearance. Pyrite (FeS2), also a sulfide mineral, forms in the isometric cubic system and is characterized by its bright, pale brass-yellow color and metallic luster. With a hardness of 6 to 6.5 on the Mohs scale, pyrite contributes durability to the cluster and often forms well-defined cubic or pyritohedral crystals.
This specimen originates from the Hunan province in China, a region renowned for producing high-quality sulfide minerals with distinctive crystal formations. The cluster showcases a captivating combination of chalcopyrite’s iridescence alongside pyrite’s classic golden cubes, creating an intriguing contrast and visual depth. The intergrowth of these two minerals provides a compelling example of mineral paragenesis and sulfide mineral associations in hydrothermal veins.
Collectors will appreciate this piece for its rarity and display quality, as such well-preserved chalcopyrite and pyrite clusters from Hunan are not commonly available. The specimen’s metallic sheen and complex crystal habits make it an excellent addition for both educational and aesthetic purposes.
To preserve its natural luster, it is recommended to keep the specimen in a dry environment and avoid exposure to moisture or acidic cleaners, which can alter the surface patina. Handling with care will help maintain the integrity of the delicate crystal formations.


