is graphite rare
Graphite is a mineral composed exclusively of the element carbon. Graphite has the same chemical composition as Diamond, which is also pure carbon, but the molecular structure of Graphite and Diamond is entirely different.This causes almost opposite characteristics in their physical properties. Graphite is rather common mineral, but fine crystals are rare.Most Graphite mining areas produce enormous quantities from a single or several large Graphite vein s, but collector specimens in good crystals are not commonly encountered. Rare hexagonal polymorph of Graphite and Diamond formed only in a meteoric environment where extreme heat and pressure caused it to form. To date, it is only found in Mottigen, Ries Crater, in Bavaria, Germany. As it differs in crystal structure, Chaoite is scientifically categorized as an individual mineral species.