Urweltsteinbruch Holzmaden
Gogotte Formation | Fontainebleau, France
Gogotte Formation | Fontainebleau, France
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€12.500,00 EUR
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€12.500,00 EUR
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- Origin: Fontainebleau, France
- Size: H46cm W59cm D34cm
- Weight: 85 kg
- Description: Natural form from the Oligocene (approx. 30 million years ago), with many layers of wavy lines, standing on a stand.
- Additional information: Gogotts are undoubtedly among the most extraordinary objects created by nature: they are sources of inspiration for artists and can be found in the largest private collections and museums. From a geological point of view, a Gogotte is a sandstone concretion with silica cement. It consists of sand grains held together by silica, which is deposited by the water circulating in the sand layer. Chemically speaking, a Gogotte consists almost entirely of silica and therefore has more or less the same composition as a quartz crystal.
