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each of these pieces represents a higher-quality example from a region known for producing some of the most aesthetic calcite formations in China
and geological pedigree make it a valuable and enduring addition to any serious mineral collection
these spheres present a grounding
Unique Features: Phantom core zoning
Natural Citrine Heart (Untreated) – DR Congo Blue Tiger's Eye each of these pieces representsGeological Overview These hearts are carved from 100% natural Citrine, a rare yellow variety of Quartz. Unlike the common heat treated stones on the market, these specimens from the Democratic Republic of the Congo owe their golden champagne hue to natural irradiation and trace amounts of aluminum or iron within the silicon dioxide (SiO2) crystal lattice. Formed in pegmatite veins, this material often exhibits a "smoky" transition, characteristic of