gregoryite

gregoryite

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  • Carbonatite — Carbonatites (pronEng|kɑrˈbɒnətaɪt) are intrusive or extrusive igneous rocks defined by mineralogy that comprises more than 50 volume % carbonate minerals. Carbonatites may be confused with marble, and may require geochemical… …   Wikipedia

  • Natrocarbonatite — is a rare carbonatite lava which erupts from the Ol Doinyo Lengai volcano in Tanzania within the Great Rift Valley of eastern Africa. Whereas most lavas are rich in silicate minerals, the natrocarbonatite lavas of Ol Doinyo Lengai are rich in the …   Wikipedia

  • Nyerereite — General Category Carbonate mineral Chemical formula Na2Ca(CO3)2 Strunz classification 05.AC.10 …   Wikipedia

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  • Liste des minéraux (lettre g) — liste des minéraux A B C D E F G H I J K L M N O P Q R S T U V W …   Wikipédia en Français

  • Minéraux composites (lettre G) — Liste des minéraux (lettre G) liste des minéraux A B C D E F G H I J K L M N O P Q R S T U V W …   Wikipédia en Français

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