A mineral is a natural inorganic solid that has an ordered internal structure and a defined chemical composition. There are around 4000 minerals in the earth, each of which is defined by its chemical composition and internal structure. Learn more about Minerals.

Vanadinita,barita-MI107b  Vanadinite with barite-Coud'a, Mibladen-Meknès-Morocco
Mineral, Pirita
Azurite_Malbunka Cooper Mine Aranda-Areyonga(Utju) Australia
Nuevo Adamita-cuprifera-Mi102bAdamita cuprifera-Mina Ojuela, Nivel 5-S. Judas Departamento,Mapimí,Durango,México
Cuarzo-amatista-M89bCuarzo amatista-Las Vigas, Mexico
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