Dendrite from Solenhofn bavaria Germany
Size-
8cm x 5.9cm x 0.6cm
Weight-
83g
You will receive the item in the photo
Dendrites are branching tree like crystals habits that form through rapid non equilibrium crystallization from mineral rich fluids or supercooled melts. While often mistaken for fossils,they are inorganic inclusions of metallic oxides,most commonly manganese or iron that create delicate fractal patterns on or within rock surfaces.
The mineral class is oxides. The crystal system are often monoclinic or tetragonal.