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.
Where Does It Come From ... The meaning of this stone's name relates to the location in the USA where it is mainly found, in the Unakas Mountains in North Carolina. Although most of the stone comes from the United States, it is also found in Switzerland and in Zimbabwe in South Africa.t is known as both Unakite Stone and Jasper, as is said to be a member of the family of Jaspers, which are stones made up of a mixture of different materials, including quartz.