Vivid Green Emerald Crystals in Dark Schist Matrix Large Polished Freeform Emeralds - Height: 210 mm - Width: 180 mm- 7213 g - (1)

- Polished Freeform Decorative Mineral Specimen — This lot presents a mineral sculpture with notable visual impact and size: a large freeform natural emerald shape set in matrix, originating from Brazil. With a weight of over 7 kilograms and substantial dimensions, the specimen has been skilfully polished to reveal the complex internal structure of the rock. This piece sits at the crossroads between collectible mineralogy and a design object, showing emerald not as an isolated gem but as an integral and vibrant part of its original geological context. The surface, mirror-polished, unveils a fascinating natural mosaic. Fragments and aggregated emerald crystals emerge in a range of tones from light aqua green to intense blue-green, up to touches of deeper green. These are inlaid in a deep-black slate-like matrix, creating a powerful and dramatic color contrast. The surface is crisscrossed by a dense network of lines and natural fractures, testimony to the immense pressures endured during its formation, transforming the stone into an abstract canvas painted by nature. Emerald is the precious green variety of beryl, a cyclosilicate whose distinctive color is due to traces of chromium and, sometimes, vanadium. Its genesis requires very specific geological conditions, typically associated with metamorphic processes. This specimen formed within a schist, a metamorphic rock characterized by a layered texture. The dark matrix, probably a biotitic schist rich in mica, acted as a “cradle,” providing the chemical and physical environment necessary for emerald crystallization. The piece is thus a snapshot of a geological process that lasted millions of years. The free-form shaping follows the contour of the raw block to maximize aesthetic yield and preserve as much of the precious mineral as possible. The polishing enhances the glassy luster of emerald and the silky luster of the matrix, creating a play of reflections that animates the surface. For its monumental dimensions and aesthetic quality, this specimen transcends the category of a simple sample. It becomes a true natural sculpture, a strong attraction for a Wunderkammer in modern form, a professional study, or a sophisticated interior. An object that unites the mineral rarity of Brazilian emerald with the sculptural power of raw matter. It is a dialogue between the vibrant color of the crystals and the darkness of the host rock, a display piece that captures the eye and invites contemplation of the Earth’s creative power. Technical details Name: Emerald in Natural Matrix Origin: Brazil Dimensions: 210 x 180 x 160 mm Weight: 7213 g Work: Free-form mirror-polished