22203 - Extremaly Rare 5.53 in Crystallized Quatrz - Imilchil Heterodiadema libycum The texture and the color

The texture and the color have beautiful dark tonalities

The Cambridge Encyclopedia of Meteorites

estuary/bay (1)

Precious association of 2 teeth in matrix of Cretolamna maroccana (Mackerel Shark) and Enchodus sp from the phosphate deposits of the Ouled Abdoun Basin (Morocco)

Ischyrhiza

22203 - Extremaly Rare 5.53 in Crystallized Quatrz - Imilchil Heterodiadema libycum The texture and the colorQuartz is a mineral composed of silicon and oxygen atoms in a continuous framework of SiO4 siliconoxygen tetrahedra, with each oxygen being shared between two tetrahedra, giving an overall chemical formula of SiO2. Quartz is the second most abundant mineral in Earth's continental crust, behind feldspar.