Rare occurrence of metamorphic diamonds. The formation conditions have been estimated to 820 °C and 30-36 kbar.
http://www.storegga.no/museum/uhprocks.htm#Abstract
See also (!):
http://www.answersingenesis.org/docs/1402.asp
The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database!
