Crystal formation by Bernardo Cesare

Bernardo Cesare's entry to the Wildlife Photographer of the Year competition features a crystal formation that came about half a billion years ago,after a geological event in Kerala, India, at extreme heat deep within the continental crust.The black mineral is graphite, traversing panels of quartz and feldspar. 

See more at: http://www.nhmshop.co.uk/prints/wildlife-photographer-of-the-year-2014/kaleidoscope-wall-print.html#sthash.jhkRsPqp.dpuf