Grey Free-Form Jasper - Polychrome Agatized Jasper - Set of Three Pieces- 1767 g
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Selected by Georgia Foteinou
Holds BSc in geology and post-graduate qualifications in geochemistry.
Estimate € 150 - € 200
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Three pieces of grey free-form jasper from Madagascar, known as diaspro policromo agatizzato, weighing 1767 g in total, with individual dimensions of 114 × 75 × 46 mm, 100 × 71 × 51 mm and 95 × 97 × 55 mm.
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Description from the seller
Madagascar jasper is a variety of jasper well known for its beauty and its color variations. It is believed that Madagascar jasper formed about 90 million years ago, during the Cretaceous period, through the process of regional metamorphism. Madagascar is located in a geologically active area, where several tectonic plates meet and collide. This tectonic movement has led to the formation of numerous faults and fracture zones in the underlying rocks. Volcanic activity in the region has also contributed to the formation of magma deposits and intrusive rocks, which were subsequently subjected to high pressures and temperatures during the regional metamorphism process. During this process, the pre-existing rocks were transformed into jasper through recrystallization and the reorganization of minerals
Measurements of the individual pieces:
114 x 75 x 46 mm
100 x 71 x 51 mm
95 x 97 x 55 mm
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 TranslateMadagascar jasper is a variety of jasper well known for its beauty and its color variations. It is believed that Madagascar jasper formed about 90 million years ago, during the Cretaceous period, through the process of regional metamorphism. Madagascar is located in a geologically active area, where several tectonic plates meet and collide. This tectonic movement has led to the formation of numerous faults and fracture zones in the underlying rocks. Volcanic activity in the region has also contributed to the formation of magma deposits and intrusive rocks, which were subsequently subjected to high pressures and temperatures during the regional metamorphism process. During this process, the pre-existing rocks were transformed into jasper through recrystallization and the reorganization of minerals
Measurements of the individual pieces:
114 x 75 x 46 mm
100 x 71 x 51 mm
95 x 97 x 55 mm
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
Mineral form
Grey Free-Form Jasper - Polychrome Agatized Jasper - Set of Three Pieces
Weight
1767 g
Country of origin
Madagascar
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