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)






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Polished Brazilian agate geode section with concentric bands and a crystalline centre, mounted on a handcrafted teak and satin-finished steel base.
Description from the seller
Natural Agate Geode Section from Brazil on a Custom Base — This lot features a refined section of Agate geode, sourced from Brazil's rich geological formations. The specimen has been cut and polished to reveal its complex internal structure and mounted on a designer artistic base, transforming a fragment of natural history into an elegant collectible object. The main feature lies in its warm chromatics and delicate concentric bands, reminiscent of a stylized sun. Direct observation of the sample allows appreciation of the craftsmanship. The surface, perfectly smooth, highlights a succession of growth rings. The color palette extends from a rough, porous outer edge, evidence of its volcanic origin, to inner layers in honey and amber tones. These outer bands, rich in iron oxides, gradually blend into a thinner ring of mauve, culminating in a central core of translucent, almost milky chalcedony. The polishing gives the mineral a vitreous luster that captures the light, enhancing depth and subtle variations in transparency. The formation of such an Agate is a slow and fascinating geological process. Millions of years ago, inside cavities (geodes) formed by gas bubbles in volcanic rocks, groundwater saturated with silica began to deposit microscopic quartz crystals. Variations in the chemical composition of the water and the presence of trace elements produced the different colorations and the distinct stratification we admire today. Each band represents a different deposition phase, a geological timestamp of time. The specimen is enhanced by a handmade stand that accentuates its aesthetic value. The base comprises 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 feel, the warmth of wood, and the cool precision of metal. The mounting transforms the Agate slice into a true table sculpture, a piece that unites natural wonder with the elegance of contemporary design. 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 integrates perfectly into sophisticated furnishings contexts, such as a bookshelf, a professional study, or a private gallery. Its evocative shape and geological history make it a focal point of interest and conversation, a symbol of the incredible artistry of nature. Technical details Name: Agate section 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 steel Conditions: Excellent; natural specimen polished
Seller's Story
Natural Agate Geode Section from Brazil on a Custom Base — This lot features a refined section of Agate geode, sourced from Brazil's rich geological formations. The specimen has been cut and polished to reveal its complex internal structure and mounted on a designer artistic base, transforming a fragment of natural history into an elegant collectible object. The main feature lies in its warm chromatics and delicate concentric bands, reminiscent of a stylized sun. Direct observation of the sample allows appreciation of the craftsmanship. The surface, perfectly smooth, highlights a succession of growth rings. The color palette extends from a rough, porous outer edge, evidence of its volcanic origin, to inner layers in honey and amber tones. These outer bands, rich in iron oxides, gradually blend into a thinner ring of mauve, culminating in a central core of translucent, almost milky chalcedony. The polishing gives the mineral a vitreous luster that captures the light, enhancing depth and subtle variations in transparency. The formation of such an Agate is a slow and fascinating geological process. Millions of years ago, inside cavities (geodes) formed by gas bubbles in volcanic rocks, groundwater saturated with silica began to deposit microscopic quartz crystals. Variations in the chemical composition of the water and the presence of trace elements produced the different colorations and the distinct stratification we admire today. Each band represents a different deposition phase, a geological timestamp of time. The specimen is enhanced by a handmade stand that accentuates its aesthetic value. The base comprises 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 feel, the warmth of wood, and the cool precision of metal. The mounting transforms the Agate slice into a true table sculpture, a piece that unites natural wonder with the elegance of contemporary design. 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 integrates perfectly into sophisticated furnishings contexts, such as a bookshelf, a professional study, or a private gallery. Its evocative shape and geological history make it a focal point of interest and conversation, a symbol of the incredible artistry of nature. Technical details Name: Agate section 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 steel Conditions: Excellent; natural specimen polished
Seller's Story
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It is believed that certain gemstones and minerals have beneficial health and spiritual properties. However, using or wearing gemstones or minerals does not mean that you can treat, cure or prevent any disease. Please consult your health care professional for information on health care issues and do not stop any medications or courses of treatment, without first consulting your health care professional. The use of gemstones or minerals as a wellness therapy is one of personal choice. While stones or crystals have been used historically to relieve or prevent symptoms, the objects sold on our website offer no guarantee of results. Therefore, Catawiki cannot guarantee or be held liable for the effectiveness of these objects sold herein.
It is believed that certain gemstones and minerals have beneficial health and spiritual properties. However, using or wearing gemstones or minerals does not mean that you can treat, cure or prevent any disease. Please consult your health care professional for information on health care issues and do not stop any medications or courses of treatment, without first consulting your health care professional. The use of gemstones or minerals as a wellness therapy is one of personal choice. While stones or crystals have been used historically to relieve or prevent symptoms, the objects sold on our website offer no guarantee of results. Therefore, Catawiki cannot guarantee or be held liable for the effectiveness of these objects sold herein.
