Bring your auction to collectors worldwide!
Get listed nowBy subscribing, you are agreeing to the privacy policy. Unsubscribe anytime.
Barnebys HQ
Brahegatan 10
BOX 5038
114 37 Stockholm
All auctions / Ethnographical / Madagascar Septarian Egg Geode - Deep Cavity of Sparkling...
Deep Cavity of Sparkling Drusy Calcite Crystals — Spectacular polished specimen with a crystallized cavity — This magnificent Septarian egg, coming from Madagascar, is a specimen of great visual impact and notable geological interest. Its outer surface has been finely polished to reveal the characteristic dark aragonite fracture network that rises against the beige-cream background of the calcite, creating a unique and fascinating pattern. The peculiarity of this piece lies in its geode structure, where a section has been removed to expose a deep internal cavity. This cavity is richly encrusted with sparkling brown-dark calcite crystals, which catch and reflect light, creating a dramatic contrast with the glossy outer surface. The combination of colors and textures makes this egg a true masterpiece of nature. Septaria, also known as “Dragon Stones,” are nodular concretions that form in marine mud. During dehydration, the mud cracks (forming the characteristic net-like pattern), and these cracks are then filled by secondary minerals such as calcite, aragonite and sometimes baryte. This geological process, that occurred millions of years ago, gave rise to formations unique and highly prized by collectors. Each Septarian egg is a one-of-a-kind piece, a testament to the geological processes of our planet. This specimen, with its exceptional workmanship and the brilliant crystal cavity, represents a perfect focal point for any mineral collection or as a distinctive decorative element in a refined setting. Its dramatic presence makes it ideal for a Wunderkammer in the modern sense or as a display piece in a study or living room. Conditions: The specimen presents in excellent overall condition.
Estimate:£233.13
To the auctionView all items fromCatawikiorEthnographical
Estimate:
£233.13
OCT 8 | 3:00 PM
OCT 8 | 3:00 PM
Bring your auction to collectors worldwide!
Get listed now£7.6
OCT 17 | 10:00 PM
