First Quality - Natural Malachite Sphere – Botryoidal Structure – Congo - Height: 80 mm - Width: 80 mm- 913 g
00
days
15
hours
38
minutes
53
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Current bid
€ 100
Reserve price not met
Expert
Selected by Georgia Foteinou
Holds BSc in geology and post-graduate qualifications in geochemistry.
Estimate € 400 - € 450
 | €100 | |
|---|---|---|
| €75 | |
 | €55 | |
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Description from the seller
Sphere carved from a single large block of natural malachite from Congo, an area known for the quality and chromatic intensity of this mineral. The material was selected for compactness and structural variety, then worked and polished to accentuate the natural pattern to the fullest.
The surface shows a well-defined combination of structures: in the upper part there are fluid, layered concentric bands, while in the lower part a typical botryoidal texture develops, composed of compact globular aggregates. The transition zone between these two morphologies is particularly evident and represents a highly collectible feature.
The tones range from deep dark green to lighter and more translucent shades, with natural contrasts generated by the mineral’s growth in an oxidizing environment. In some areas small cavities and granular variations are visible, authentic testimony to the formation process.
Malachite is a basic copper carbonate, formed by alteration of primary minerals in the presence of solutions rich in carbon dioxide. The botryoidal and banded structures derive from different deposition conditions, which are directly reflected in the visible pattern.
An specimen suitable for mineral and natural object collectors, with strong aesthetic impact and good readability of the internal structures.
Technical data:
Mineral: Natural malachite
Origin: Congo
Form: Polished sphere
Structure: Botryoidal and banded
Conditions: Excellent overall condition
Treatments: None, only cutting and polishing
Use: Collection / display / natural decor
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 TranslateSphere carved from a single large block of natural malachite from Congo, an area known for the quality and chromatic intensity of this mineral. The material was selected for compactness and structural variety, then worked and polished to accentuate the natural pattern to the fullest.
The surface shows a well-defined combination of structures: in the upper part there are fluid, layered concentric bands, while in the lower part a typical botryoidal texture develops, composed of compact globular aggregates. The transition zone between these two morphologies is particularly evident and represents a highly collectible feature.
The tones range from deep dark green to lighter and more translucent shades, with natural contrasts generated by the mineral’s growth in an oxidizing environment. In some areas small cavities and granular variations are visible, authentic testimony to the formation process.
Malachite is a basic copper carbonate, formed by alteration of primary minerals in the presence of solutions rich in carbon dioxide. The botryoidal and banded structures derive from different deposition conditions, which are directly reflected in the visible pattern.
An specimen suitable for mineral and natural object collectors, with strong aesthetic impact and good readability of the internal structures.
Technical data:
Mineral: Natural malachite
Origin: Congo
Form: Polished sphere
Structure: Botryoidal and banded
Conditions: Excellent overall condition
Treatments: None, only cutting and polishing
Use: Collection / display / natural decor
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
Main mineral
First Quality -
Mineral form
Natural Malachite Sphere – Botryoidal Structure – Congo
Weight
913 g
Country of origin
Congo
Height
80 mm
Width
80 mm
Depth
80 mm
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