Describe the nitrogen cycle and how it is affected by human activity. Nitrogen is converted from atmospheric nitrogen (N2) into usable forms, such as NO2-, in a process known as fixation. The majority of nitrogen is fixed by bacteria, most of which are symbiotic with plants.
Tumble polished unakite pebbles. First discovered in the United States in the Unakas mountains of North Carolina from which it gets its name, unakite is an altered granite composed of pink orthoclase feldspar, green epidote, and generally colorless quartz. It exists in various shades of green and pink and is usually mottled in appearance.
Stone of Higher Spiritual Forces. Unakiteâ¦or Epidote with feldspar as it is also known, consists of a combination of deformed feldspar, green epidote and quartz solidly bound together, thus creating the beautiful pistachio and pink coloring.he splashes of soft peach against a fresh green colored background makes Unakite a much beloved and magical gemstone. The stone takes itâs name from the Greek word epidosis, meaning âgrowing togetherâ, and it is these materials bound together that conveys the meaning that what comes together, belongs together.