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Olivine (peridot) from Zebirget, Egypt
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Titre: Olivine (peridot) from Zebirget, Egypt
Légende: Voir la traduction automatique
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.
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.
Crédit: Album / Science Source / JOEL AREM
Autorisations: ? Autorisation de modèle: Non - ? Autorisation de propriété: Non
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Taille de l'image: 3855 × 2553 px | 28.2 MB
Taille d'impression: 32.6 × 21.6 cm | 1517.7 × 1005.1 in (300 dpi)
