Pyrite with Quartz Specimen
An extraordinary mineral specimen showcasing gleaming pyrite crystals juxtaposed with clear quartz formations.
Key Mineralogical Features
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Origin: Fujian, China
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Chemical Formula: FeS₂ (Pyrite) with SiO₂ (Quartz)
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Crystal System: Isometric (Pyrite) and Hexagonal (Quartz)
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Hardness: 6–6.5 (Pyrite), 7 (Quartz) on the Mohs scale
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Luster: Metallic, with pyrite’s bold, mirror-like brilliance contrasting against quartz's vitreous sheen
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Crystal Habit: Pyrite forms in cubic or pyritohedral shapes, often found in clusters on quartz's hexagonal prisms
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Size: See pictures
Visual Characteristics
The vibrant, metallic gold of the pyrite stands out brilliantly against the milky-white to clear quartz matrix, creating a visually striking contrast. The pyrite’s cubic structures and sharp edges enhance its shimmering, mirror-like finish, while the quartz’s prismatic points add clarity and depth. Together, these crystals form a stunning, natural display that is ideal for showcasing the distinctive beauty of contrasting mineral formations.
Collector's Notes
This specimen represents a fascinating snapshot of geological history. Over millions of years, iron and sulfur combined to form pyrite, crystallizing alongside silica-rich quartz in hydrothermal veins. These natural processes, influenced by temperature and pressure shifts deep within the Earth’s crust, created the distinct cubic pyrite structures against the quartz's elegant prismatic points. A prized addition for collectors, this specimen demonstrates the intricate intergrowth patterns of pyrite and quartz.
Educational Value
This pyrite with quartz specimen provides a valuable look at mineral formation and crystal structure, showcasing two distinct crystal systems—cubic and hexagonal—within a single specimen. It serves as an excellent example of mineral crystallization and intergrowth for educational displays, geological studies, or mineralogy collections.
Care Instructions
To maintain its natural luster, keep this specimen in a dry location, away from humidity, which can tarnish the pyrite. Avoid cleaning with water or harsh chemicals; instead, gently dust with a soft cloth to keep each crystal facet sparkling.