Sun-Kissed Brazilian Agate Slice with Delicate Concentric Banding and Crystalline Core A Finely Geode Section Displayed - Height: 142 mm - Width: 91 mm- 212 g - (1)

This lot features a refined slice of Agate Geode from Brazil, cut and polished to reveal its intricate internal structure and mounted on an artistically designed base, transforming a fragment of natural history into an elegant collectible object. The main feature lies in its warm coloration and delicate concentric bands, evoking the image of a stylized sun. Direct observation of the specimen allows one to appreciate the craftsmanship. The surface, perfectly smooth, highlights a sequence of growth rings. The color palette develops from a rough, porous outer edge, a testament to its volcanic origin, toward inner layers in warm honey and amber tones. These outer bands, rich in iron oxides, gradually fade into a thinner ring of mauve, culminating in a central nucleus of translucent, almost milky chalcedony. The polish gives the mineral a glassy luster that captures light, highlighting its depth and subtle variations in transparency. The formation of an Agate like this is a slow and fascinating geological process. Millions of years ago, inside cavities (geodes) created by gas bubbles in volcanic rocks, silica-saturated groundwater began depositing microscopic quartz crystals. Variations in the water’s chemical composition and the presence of trace elements produced the different colors and the distinct stratification we admire today. Each band represents a different deposition phase, a geological fingerprint of time. The specimen is enhanced by a handcrafted stand that accentuates its aesthetic value. The base consists of a solid block of Teak wood with warm grain, topped by a satin-finished steel element with a clean, modern design. This combination of materials creates a fascinating dialogue between the mineral’s organic nature, the warmth of the wood, and the cool precision of the metal. The assembly transforms the Agate slice into a true tabletop sculpture, a piece that unites natural wonder with contemporary design elegance. An ideal item to enrich a modern Wunderkammer or a mineral collection, this specimen stands out for its aesthetic balance and decorative value. It is a piece that fits perfectly in sophisticated furnishings contexts, such as a bookshelf, a professional studio, or a private gallery. Its evocative shape and geological history make it a focal point of interest and conversation, a symbol of the incredible art of nature. Technical details Name: Agate Slice on Base Classification: Mineral, Chalcedony (Quartz variety) Provenance: Brazil Dimensions: 142 x 91 x 70 mm (including base) Weight: 212 g (including base) Base: Teak wood and satin-finished steel Conditions: Excellent; natural specimen polished