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0cm Main collection of the series of 20 Premium World Minerals
Granulite - Toledo
About 50 living species of Strombus are known
Calcita Naranja
Fluorita XL Calcita Espática 0cm Main collection of theChemical formula CaF 2 Crystalline system Cubic, Octahedron, Rhombododecahedron Class halides Origin Hunan, China Size Medium : 3. 0 4. 0 cm big : 4. 0 5. 0cm Massive Fluorite with green, colorless and purple bands. In industry, fluorite is mainly used as a flux in the metallurgy of iron and steel. It is used as a source of fluorine to obtain hydrofluoric acid and also to obtain insecticides, resins and plastics. The piece you receive may differ
