20140 - Beautiful Purple Natural Amethyst Crystals Cluster Minas Gerais District - Brazil Basilosaurus Teeth Usually appears in the association

Usually appears in the association of Maastrictian vertebrates of the Ouled Abdoun Basin

lagoonal (1)

Age range: 412

It is not a fabricated piece

including precipitation from marine and freshwater environments

20140 - Beautiful Purple Natural Amethyst Crystals Cluster Minas Gerais District - Brazil Basilosaurus Teeth Usually appears in the associationAmethyst is a purple variety of quartz (SiO2) and owes its violet color to irradiation, impurities of iron and in some cases other transition metals, and the presence of other trace elements, which result in complex crystal lattice substitutions. The hardness of the mineral is the same as quartz, thus making it suitable for use in jewelry.