Twin Calcite with Dolomite – UV Reactive – Hunan, China
This stunning twin-terminated calcite specimen originates from Hunan, China, a region known for its breathtaking mineral formations. The crystal boasts exceptional transparency, showcasing a pristine and undamaged twin termination, resting on a matrix adorned with delicate dolomite formations.
Specimen details
| Mineral | Calcite |
|---|---|
| Locality | Hunan Province, China |
| Crystal system | Hexagonal |
| Dimensions | 5.3 cm × 4.6 cm × 3.8 cm |
| Weight | 75 g |
| Color | Clear |
| Size | Small Cabinet (2–4 inches / 5–10 cm) |
| Species | Calcite |
| Condition | No damage on display faces |
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About this specimen
Marvel at the transparent allure of this exquisite twin calcite and dolomite crystal cluster from Hunan. This raw mineral specimen not only stands out with its unique structure but also dazzles under UV light, making it a stunning addition to any collection or display. Perfect for mineral enthusiasts and collectors alike.
Calcite (CaCO3) crystallizes in the trigonal crystal system and exhibits a Mohs hardness of 3, while dolomite (CaMg(CO3)2) forms in the rhombohedral system with a slightly higher hardness of 3.5 to 4. Both minerals display a vitreous to pearly luster, enhancing their visual appeal. This specimen features exceptional transparency in the calcite component, showcasing a flawless twin-terminated form that is rare and highly sought after among collectors.
Originating from the Hunan province of China, an area renowned for its diverse and high-quality mineral specimens, this cluster captures the geological richness of the region. The dolomite matrix adds delicate, pale formations that contrast beautifully with the clear calcite crystals, creating a balanced and elegant display piece. The combination of twin terminations and UV fluorescence further elevates its collector value, offering unique viewing experiences.
Due to the relative softness of calcite and dolomite, it is advisable to handle this specimen with care and avoid exposure to acids or harsh cleaning agents. Displaying it in a stable environment away from direct sunlight will help preserve its clarity and structural integrity over time.




