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Rhyolitic Geode

By Dirk Wiersma

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Size:
46 x 61 cm
Print type:
Photographic Print
46 x 61 cm Photographic Print
42,99 €
27.94
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Rhyolitic geode. Chalcedony (red) and crystals of quartz (lining the central hollow) formed inside a piece of rhyolite rock (surrounding structure). The geode has been cut open and polished to show its internal structure and improve its appearance. A geode forms when layers of the mineral silica (silicon dioxide) precipitate from liquid onto the inside of hollows in rock. An amorphous form of silica (chalcedony) forms the banded layers seen, with haematite, an iron oxide, colouring it red. The inner parts form last and are pure crystalline silica (quartz). Volcanic rock, like rhyolite, has spaces suitable for the formation of geodes. This geode is from the Esterel region of France. This photographic print is digitally printed on archival photographic paper resulting in vivid, pure color and exceptional detail that is suitable for museum or gallery display.

46 x 61 cm Photographic Print
42,99 €
27,94 €
Ships in 1-2 days
ADD TO CART

Product Details

Rhyolitic geode. Chalcedony (red) and crystals of quartz (lining the central hollow) formed inside a piece of rhyolite rock (surrounding structure). The geode has been cut open and polished to show its internal structure and improve its appearance. A geode forms when layers of the mineral silica (silicon dioxide) precipitate from liquid onto the inside of hollows in rock. An amorphous form of silica (chalcedony) forms the banded layers seen, with haematite, an iron oxide, colouring it red. The inner parts form last and are pure crystalline silica (quartz). Volcanic rock, like rhyolite, has spaces suitable for the formation of geodes. This geode is from the Esterel region of France. This photographic print is digitally printed on archival photographic paper resulting in vivid, pure color and exceptional detail that is suitable for museum or gallery display.

Item# 22199420381A

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Product Details

Rhyolitic geode. Chalcedony (red) and crystals of quartz (lining the central hollow) formed inside a piece of rhyolite rock (surrounding structure). The geode has been cut open and polished to show its internal structure and improve its appearance. A geode forms when layers of the mineral silica (silicon dioxide) precipitate from liquid onto the inside of hollows in rock. An amorphous form of silica (chalcedony) forms the banded layers seen, with haematite, an iron oxide, colouring it red. The inner parts form last and are pure crystalline silica (quartz). Volcanic rock, like rhyolite, has spaces suitable for the formation of geodes. This geode is from the Esterel region of France. This photographic print is digitally printed on archival photographic paper resulting in vivid, pure color and exceptional detail that is suitable for museum or gallery display.

Item# 22199420381A
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Rhyolitic Geode

By Dirk Wiersma

46 x 61 cm Photographic Print
42,99 €
27,94 €
Ships in 1-2 days
ADD TO CART