Cristallogene

The family of the cristallogenes corresponds to the fourteenth column of the periodic Tableau of the elements. She includes/understands the following elements:

    • the Carbone (C)
    • the Silicium (If)
    • the Germanium (Ge)
    • the tin (Sn)
    • the Lead (Pb).

All these elements have like characteristic to have a crystalline form, from where them name. One generally finds them in the form of gems, except the carbon, which is generally in the form of a black lamellate compound, the Graphite.

Random links:AFITEP | Canton of Banon | RIP Kirby | Syndrome of Goldenhar | Gordon B. Hinckley | Papillon_de_dogface_de_la_Californie