Agate Polished - Height: 10.5 cm - Width: 7.5 cm- 0 g - (1)





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Polished blue agate specimen from Brazil, measuring 10.5 cm high, 7.5 cm wide and 7 cm deep.
Description from the seller
An impressive piece of blue agate, a natural stone that immediately draws the eye thanks to its spectacular structure and color play. This specimen is partially polished, allowing both the stone’s rugged character and its hidden crystalline heart to remain visible. The result is a fascinating interplay of natural geology and aesthetic beauty.
Agate belongs to the chalcedony family, a microcrystalline variant of quartz that has been valued for thousands of years for its unique banding structures and colors. The stone forms when silica-rich solutions slowly crystallize in the cavities of volcanic rock. During this process, concentric layers develop that create agate’s characteristic bands.
In this specimen we see a particularly beautiful blue gradient, ranging from deep ocean blue at the edge to a soft, almost ice-like transparency in the center. The interior reveals a natural crystallization in which small quartz structures and fracture surfaces catch and reflect light. This crystalline core gives the stone an almost ethereal effect when viewed from different angles.
The exterior still shows a part of the original rough matrix, which forms an authentic geological contrast with the polished surface. This keeps clearly visible how the stone formed in nature. The piece is professionally polished so it can stand on its own, making it excellent as a decorative mineral specimen for a display cabinet, desk, or interior.
Blue agate is found worldwide, including Brazil, Uruguay, and parts of Africa. Specimens with a clear band structure and an open crystalline core are especially valued by collectors and mineral enthusiasts.
Thanks to its intense color, beautiful structure, and sculptural form, this piece is both a collectible and a powerful decorative element that brings together natural beauty and geological history.
Dimensions
height 10.5 cm
width 7.5 cm
depth 7 cm
Photos provide a clear view of the quality and are part of the description.
The whole is well packaged and shipped with tracking. The shipping costs also include packing, packing materials, and transport. Pickup is only possible when the lot is auctioned for more than €50 and, of course, by appointment during office hours.
blauwe agaat agaat geode blauwe chalcedoon agaat kristal agaat mineraal agaat geode stuk gepolijste agaat mineraal specimen agaat kristal kern kwarts druzy agaat natuurlijke agaat steen verzamel mineraal agaat decoratieve steen blauwe agaat geode agaat kwarts kristal agaat bandstructuur chalcedoon mineraal agaat kristal structuur mineralen verzamelaars agaat geode kristal agaat mineraal specimen blauwe chalcedoon kristal natuurlijke agaat vorming agaat mineraal verzamelstuk geologische steen agaat kristal binnenzijde kwarts druzy agaat mineralen verzamelobject natuurlijke blauwe agaat agaat kristal specimen kwarts agaat geode mineraal verzamelstuk agaat display steen natuurlijke agaat kristal kwarts chalcedoon mineraal agaat interieur decoratie mineraal specimen blauwe agaat natuursteen agaat geode kristal structuur natuurlijke mineralen decoratieve steen agaat mineralen verzameling agaat kristal stuk natuurlijke agaat geode blauwe agaat mineraal specimen agaat kwarts kristal geologisch mineraal agaat verzamelobject mineralen display steen
An impressive piece of blue agate, a natural stone that immediately draws the eye thanks to its spectacular structure and color play. This specimen is partially polished, allowing both the stone’s rugged character and its hidden crystalline heart to remain visible. The result is a fascinating interplay of natural geology and aesthetic beauty.
Agate belongs to the chalcedony family, a microcrystalline variant of quartz that has been valued for thousands of years for its unique banding structures and colors. The stone forms when silica-rich solutions slowly crystallize in the cavities of volcanic rock. During this process, concentric layers develop that create agate’s characteristic bands.
In this specimen we see a particularly beautiful blue gradient, ranging from deep ocean blue at the edge to a soft, almost ice-like transparency in the center. The interior reveals a natural crystallization in which small quartz structures and fracture surfaces catch and reflect light. This crystalline core gives the stone an almost ethereal effect when viewed from different angles.
The exterior still shows a part of the original rough matrix, which forms an authentic geological contrast with the polished surface. This keeps clearly visible how the stone formed in nature. The piece is professionally polished so it can stand on its own, making it excellent as a decorative mineral specimen for a display cabinet, desk, or interior.
Blue agate is found worldwide, including Brazil, Uruguay, and parts of Africa. Specimens with a clear band structure and an open crystalline core are especially valued by collectors and mineral enthusiasts.
Thanks to its intense color, beautiful structure, and sculptural form, this piece is both a collectible and a powerful decorative element that brings together natural beauty and geological history.
Dimensions
height 10.5 cm
width 7.5 cm
depth 7 cm
Photos provide a clear view of the quality and are part of the description.
The whole is well packaged and shipped with tracking. The shipping costs also include packing, packing materials, and transport. Pickup is only possible when the lot is auctioned for more than €50 and, of course, by appointment during office hours.
blauwe agaat agaat geode blauwe chalcedoon agaat kristal agaat mineraal agaat geode stuk gepolijste agaat mineraal specimen agaat kristal kern kwarts druzy agaat natuurlijke agaat steen verzamel mineraal agaat decoratieve steen blauwe agaat geode agaat kwarts kristal agaat bandstructuur chalcedoon mineraal agaat kristal structuur mineralen verzamelaars agaat geode kristal agaat mineraal specimen blauwe chalcedoon kristal natuurlijke agaat vorming agaat mineraal verzamelstuk geologische steen agaat kristal binnenzijde kwarts druzy agaat mineralen verzamelobject natuurlijke blauwe agaat agaat kristal specimen kwarts agaat geode mineraal verzamelstuk agaat display steen natuurlijke agaat kristal kwarts chalcedoon mineraal agaat interieur decoratie mineraal specimen blauwe agaat natuursteen agaat geode kristal structuur natuurlijke mineralen decoratieve steen agaat mineralen verzameling agaat kristal stuk natuurlijke agaat geode blauwe agaat mineraal specimen agaat kwarts kristal geologisch mineraal agaat verzamelobject mineralen display steen
Details
Disclaimer
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.

