Purple amethyst crystal sphere - geode segment natural amethyst geode - Height: 128 mm - Width: 128 mm- 2326 g - (1)






Holds a master’s in chemistry with 25 years’ experience in minerals consulting.
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Description from the seller
Sfera in Ametista – Drusa Naturale, Brasile — This exceptional specimen unites the geometric perfection of a spherical shape with the surprising intrinsic beauty of nature. It is a sphere meticulously carved from a natural Brazilian amethyst druse, where lapidary art enhances the magnificence of the internal crystals. Unlike common spheres that are fully polished, this piece has been skillfully shaped to preserve and expose large portions of the original crystalline structure, offering an up-close view of the natural growth of quartz inside the geological cavity. Amethyst is a variety of microcrystalline quartz that forms in specific geological environments, typically within geodes and druses formed by gas bubbles trapped in lava flows. Here, silica-rich hydrothermal solutions and traces of iron have allowed slow and steady crystallization, giving rise to these spectacular formations over millions of years. The characteristic purple coloration, ranging from delicate lilac to deep purple, is due precisely to the presence of iron ions in the quartz lattice and the subsequent natural irradiation undergone underground. Observing the inner surface of the sphere, a glittering carpet of well-formed amethyst crystals reveals itself. The individual points display natural, polished, reflective faces, with sharp edges and well-defined terminations that capture and refract light, creating a dynamic play of brightness. The irregular arrangement of the crystals gives visual depth and a strong three-dimensional impact, highlighting the complex and organic growth of the mineral. The exterior of the sphere is polished, but allows glimpses of the agate bands and matrix inclusions, elements that attest to the natural origin and the geological formation process of the specimen. The violet tones present are well distributed, with some areas tending toward a more intense color and others toward lighter, more transparent shades, confirming the specimen’s naturality. Small inclusions and micro-imperfections are present, entirely consistent with the geological origin and the absence of any artificial treatment, elements that enhance its authenticity. This specimen is presented as a focal point of great aesthetic and scientific value, capable of enriching any mineral collection or serving as a sophisticated decorative element in refined environments. The combination of the spherical form, long a symbol of perfection and eternity, with the vibrancy of amethyst crystals, makes this piece a natural work of art. It is a fragment of geological history, a witness to the processes that shaped our planet, offered in a presentation that enhances both its scientific and aesthetic value. Perfect for collectors, geology enthusiasts, or as a distinctive element for interior design, capable of bringing a touch of natural elegance and contemplation to studies, libraries, or contemporary living spaces.
Seller's Story
Sfera in Ametista – Drusa Naturale, Brasile — This exceptional specimen unites the geometric perfection of a spherical shape with the surprising intrinsic beauty of nature. It is a sphere meticulously carved from a natural Brazilian amethyst druse, where lapidary art enhances the magnificence of the internal crystals. Unlike common spheres that are fully polished, this piece has been skillfully shaped to preserve and expose large portions of the original crystalline structure, offering an up-close view of the natural growth of quartz inside the geological cavity. Amethyst is a variety of microcrystalline quartz that forms in specific geological environments, typically within geodes and druses formed by gas bubbles trapped in lava flows. Here, silica-rich hydrothermal solutions and traces of iron have allowed slow and steady crystallization, giving rise to these spectacular formations over millions of years. The characteristic purple coloration, ranging from delicate lilac to deep purple, is due precisely to the presence of iron ions in the quartz lattice and the subsequent natural irradiation undergone underground. Observing the inner surface of the sphere, a glittering carpet of well-formed amethyst crystals reveals itself. The individual points display natural, polished, reflective faces, with sharp edges and well-defined terminations that capture and refract light, creating a dynamic play of brightness. The irregular arrangement of the crystals gives visual depth and a strong three-dimensional impact, highlighting the complex and organic growth of the mineral. The exterior of the sphere is polished, but allows glimpses of the agate bands and matrix inclusions, elements that attest to the natural origin and the geological formation process of the specimen. The violet tones present are well distributed, with some areas tending toward a more intense color and others toward lighter, more transparent shades, confirming the specimen’s naturality. Small inclusions and micro-imperfections are present, entirely consistent with the geological origin and the absence of any artificial treatment, elements that enhance its authenticity. This specimen is presented as a focal point of great aesthetic and scientific value, capable of enriching any mineral collection or serving as a sophisticated decorative element in refined environments. The combination of the spherical form, long a symbol of perfection and eternity, with the vibrancy of amethyst crystals, makes this piece a natural work of art. It is a fragment of geological history, a witness to the processes that shaped our planet, offered in a presentation that enhances both its scientific and aesthetic value. Perfect for collectors, geology enthusiasts, or as a distinctive element for interior design, capable of bringing a touch of natural elegance and contemplation to studies, libraries, or contemporary living spaces.
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.
