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Olivine (peridot) from Zebirget, Egypt

Olivine, iron magnesium silicate, is common throughout the world and is one of the first minerals to form in a cooling lava flow. It belongs to the chrysolite group of minerals, which include forsterite (magnesium silicate) and fayalite (iron silicate). Olivine is a mixture of these two species. Excellent crystals occur in a number of localities, including a remote island in the Red Sea near Egypt that has been known variously as Zebirget, Zabargad and St. John's Island. The olivine crystals on this island are transparent and a rich green color, allowing them to be cut as gemstones. The gem form of olivine is called peridot, and is the August birthstone.
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Titel: Olivine (peridot) from Zebirget, Egypt
Untertitel: Siehe automatische Übersetzung
Olivine, iron magnesium silicate, is common throughout the world and is one of the first minerals to form in a cooling lava flow. It belongs to the chrysolite group of minerals, which include forsterite (magnesium silicate) and fayalite (iron silicate). Olivine is a mixture of these two species. Excellent crystals occur in a number of localities, including a remote island in the Red Sea near Egypt that has been known variously as Zebirget, Zabargad and St. John's Island. The olivine crystals on this island are transparent and a rich green color, allowing them to be cut as gemstones. The gem form of olivine is called peridot, and is the August birthstone.
Bildnachweis: Album / Science Source / JOEL AREM
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Bildgröße: 3855 × 2553 px | 28.2 MB
Druckgröße: 32.6 × 21.6 cm | 1517.7 × 1005.1 in (300 dpi)
Schlüsselwörter: EISEN FELSEN GEM GEMME GEOLOGIE GESTEIN GRUPPE KAMEE KRISTALL METALL: EISEN MINERALIEN OBJEKT STEIN