This stunning specimen showcases vibrant green, twinned Dioptase crystals gracefully resting on a contrasting Calcite matrix, sourced from the renowned mineral deposits of the Republic of Congo. The Dioptase crystals exhibit exceptional transparency and luster, with their deep emerald-green hue catching the light beautifully. The well-defined twinning enhances the crystal's geometric complexity, adding to its visual appeal. The Calcite matrix provides a striking contrast, further emphasizing the brilliance of the Dioptase. This remarkable combination of minerals not only makes for a highly desirable collector’s piece but also serves as a testament to the intricate geological processes that create such breathtaking natural formations.