Green Ocean Agatized Jasper with Crystalline Formations – Madagascar Decorative Jasper Freeform - Height: 240 mm - Width: 140 mm- 4329 g - (1)






Holds a master’s in chemistry with 25 years’ experience in minerals consulting.
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One free‑form decorative oceanic jasper (jasper agate) specimen from Madagascar, Morovato, weighing 4329 g and measuring 240 × 140 × 90 mm, with olive green radiating crystalline rosettes and zones of translucent quartz and chalcedony in gray, white, beige and ochre tones.
Description from the seller
Free-form carved and polished from a single block of ocean jasper from Madagascar. The specimen features a predominantly green structure, crossed by zones of chalcedony and quartz in smoky gray, white and beige tones, with small ochre and orange concentrations. The most distinctive part consists of a large olive-green area, made up of numerous closely spaced radial formations. These structures, resembling small flowers or crystalline rosettes, develop in different shades of green and become particularly evident thanks to the surface polishing. Among the formations there are some small natural cavities, left open during the silicification process of the rock. On the opposite side, the green gradually yields space to more translucent zones of quartz and chalcedony, with brown and reddish mineral inclusions. The different texture of the materials creates an alternation between solid areas, crystalline portions and light internal transparencies. The slender shape, with an asymmetrical profile and rounded apex, follows the original contour of the block. The flat base allows displaying the specimen vertically without the need for supports. Provenance: Madagascar Material: ocean jasper, chalcedony and quartz Work: free-form carved and polished Color: olive green, dark green, gray, beige and ochre Features: radial structures, translucent zones and small natural cavities
Seller's Story
Free-form carved and polished from a single block of ocean jasper from Madagascar. The specimen features a predominantly green structure, crossed by zones of chalcedony and quartz in smoky gray, white and beige tones, with small ochre and orange concentrations. The most distinctive part consists of a large olive-green area, made up of numerous closely spaced radial formations. These structures, resembling small flowers or crystalline rosettes, develop in different shades of green and become particularly evident thanks to the surface polishing. Among the formations there are some small natural cavities, left open during the silicification process of the rock. On the opposite side, the green gradually yields space to more translucent zones of quartz and chalcedony, with brown and reddish mineral inclusions. The different texture of the materials creates an alternation between solid areas, crystalline portions and light internal transparencies. The slender shape, with an asymmetrical profile and rounded apex, follows the original contour of the block. The flat base allows displaying the specimen vertically without the need for supports. Provenance: Madagascar Material: ocean jasper, chalcedony and quartz Work: free-form carved and polished Color: olive green, dark green, gray, beige and ochre Features: radial structures, translucent zones and small natural cavities
Seller's Story
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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.
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.
