Madagascar Septarian Egg Geode - Deep Cavity of Sparkling Drusy Calcite Crystals - Height: 188 mm - Width: 152 mm- 4707 g - (1)
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Current bid
€ 131
Reserve price not met
Expert
Selected by Antonio Rapisarda
Holds a master’s in chemistry with 25 years’ experience in minerals consulting.
Estimate € 430 - € 480
 | €131 | |
|---|---|---|
 | €121 | |
| €111 | |
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Geode egg septarian from Madagascar featuring a deep cavity lined with sparkling calcite druse crystals, weighing 4707 g and measuring 188 × 152 × 152 mm.
AI-assisted summary
Description from the seller
Spectacular glossy specimen with crystallized cavity — this magnificent Septarian egg from Madagascar is a piece of great visual impact and notable geological interest. Its outer surface has been finely polished to reveal the characteristic network of dark aragonite 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 inner cavity. This cavity is richly crusted with sparkling brown-dark calcite crystals, which capture and reflect light, creating a dramatic contrast with the smooth outer surface. The combination of colors and textures makes this egg a true masterpiece of nature. Septarian nodules, also known as “Dragon Stones,” are nodular concretions formed in marine mud. During dehydration, the mud cracks (forming the characteristic net-like pattern), and these fissures are then filled by secondary minerals such as calcite, aragonite, and sometimes barite. This geological process, which occurred millions of years ago, gave rise to unique formations highly valued 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 brilliant crystalline cavity, represents a perfect focal point for any mineral collection or as a distinctive decorative element in a refined setting. Its visual impact makes it ideal for a modern Wunderkammer or as a display piece in a study or living room. Conditions: The specimen presents in generally excellent condition. Any irregularities, small fractures, or color variations on the surface or inside the cavity should be considered part of the mineral’s natural formation and not defects, but characteristics that attest to its authenticity and natural origin. Final technical data: Name: Septaria with Calcite Classification: Nodule, Geode Origin: Madagascar Dimensions: 188 mm (height) - 152 mm (width) - 152 mm (depth) Weight: 4707 g Material: Septaria (Calcite, Aragonite) Finish: Polished, cut Conditions: Good Lot code: RUA-638
Seller's Story
The Mineral Art Gallery offers minerals, fossils, shells and natural elements.
Born in Italy in 2017, today she collaborates with international galleries and collectors, she is a direct importer of large minerals and naturalistic collectible elements; deals with the processing to insert them inside the living space. A section of the gallery was dedicated to the Wunderkammer, "chamber of wonders or cabinet of curiosities" in which Mirabilia elements are presented: naturalia and italiania, a union between "the present is the past".
All lots are shipped via DHL Express and Fercam couriers, with insured parcel and tracking.
Translated by Google TranslateSpectacular glossy specimen with crystallized cavity — this magnificent Septarian egg from Madagascar is a piece of great visual impact and notable geological interest. Its outer surface has been finely polished to reveal the characteristic network of dark aragonite 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 inner cavity. This cavity is richly crusted with sparkling brown-dark calcite crystals, which capture and reflect light, creating a dramatic contrast with the smooth outer surface. The combination of colors and textures makes this egg a true masterpiece of nature. Septarian nodules, also known as “Dragon Stones,” are nodular concretions formed in marine mud. During dehydration, the mud cracks (forming the characteristic net-like pattern), and these fissures are then filled by secondary minerals such as calcite, aragonite, and sometimes barite. This geological process, which occurred millions of years ago, gave rise to unique formations highly valued 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 brilliant crystalline cavity, represents a perfect focal point for any mineral collection or as a distinctive decorative element in a refined setting. Its visual impact makes it ideal for a modern Wunderkammer or as a display piece in a study or living room. Conditions: The specimen presents in generally excellent condition. Any irregularities, small fractures, or color variations on the surface or inside the cavity should be considered part of the mineral’s natural formation and not defects, but characteristics that attest to its authenticity and natural origin. Final technical data: Name: Septaria with Calcite Classification: Nodule, Geode Origin: Madagascar Dimensions: 188 mm (height) - 152 mm (width) - 152 mm (depth) Weight: 4707 g Material: Septaria (Calcite, Aragonite) Finish: Polished, cut Conditions: Good Lot code: RUA-638
Seller's Story
The Mineral Art Gallery offers minerals, fossils, shells and natural elements.
Born in Italy in 2017, today she collaborates with international galleries and collectors, she is a direct importer of large minerals and naturalistic collectible elements; deals with the processing to insert them inside the living space. A section of the gallery was dedicated to the Wunderkammer, "chamber of wonders or cabinet of curiosities" in which Mirabilia elements are presented: naturalia and italiania, a union between "the present is the past".
All lots are shipped via DHL Express and Fercam couriers, with insured parcel and tracking.
Translated by Google TranslateDetails
Number of objects
1
Main mineral
Madagascar Septarian Egg Geode -
Mineral form
Deep Cavity of Sparkling Drusy Calcite Crystals
Supplement
Exquisite Septarian Nodule Geode
Weight
4707 g
Country of origin
Madagascar
Height
188 mm
Width
152 mm
Depth
152 mm
Sold by
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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.
