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Brahegatan 10
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114 37 Stockholm
All auctions / Ethnographical / Natural Agate Geode Sphere with Sparkling White Quartz...
A Natural Masterpiece from Brazil — This agate geode sphere, sourced from the rich mineral formations of Brazil, is a visually striking specimen with high collector interest. The spherical shape, achieved through careful shaping and polishing, highlights the intrinsic beauty of the mineral, making it an ideal piece for display. The outer surface of the sphere features the characteristic concentric bands of agate, with delicate color variations ranging from gray tones to translucent white, creating a hypnotic visual effect. The impeccable polishing gives the agate a vitreous luster that emphasizes its depth and texture. The true heart of this specimen is revealed inside, where a natural cavity is entirely lined with a sparkling druse of white quartz crystals. These crystals, small and well-formed, capture and reflect light with an ethereal brilliance, offering a magnificent contrast to the outer surface of the agate. The transition between the solid agate and the crystalline cavity is a fascinating testament to the geological processes that shaped this marvel. Agate is a cryptocrystalline variety of quartz, characterized by its banded structure and microcrystallization. It typically forms within cavities of volcanic rocks, where silica-rich solutions slowly deposit layer by layer. Geodes of agate, like this one, are particularly valued because they preserve the original cavity, often lined with crystals, that formed during the cooling and solidification of the rock. Any irregularities, small fractures, cavities, or color variations visible in the agate or in the quartz druse should be considered integral parts of its natural formation and not defects, but features that attest to its authenticity and uniqueness. The sphere is in excellent condition, with no signs of restorations or invasive treatments that would alter its naturalness. Name: Agate Geode with Quartz Classification: Silicate Species: Agate (chalcedony quartz variety) and Quartz Origin: Brazil Material: Agate and Quartz Work: Carved and polished sphere Dimensions: 88 × 88 × 88 mm Weight: 928 g Conditions: Excellent Lot Code: RUA-708 MAY72
Estimate:£212.06
To the auctionView all items fromCatawikiorEthnographical
Estimate:
£212.06
OCT 8 | 3:00 PM
OCT 8 | 3:00 PM
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