The first occurrence of metamorphic diamond.
UHP dolomite marbles and pelitic gneisses (subduction zone : 250 km deep).
Three types of marbles are known : diamond-bearing dolomite marbles, Ti-clinohumite-bearing dolomitic marbles and titanite-bearing calcite marbles.
Presence of lamproites.
In pelitic gneisses, diamonds formed from carbon dissolved into aqueous fluids.
In marbles, diamond precipitated from fluids (C-O-H).
Mineral List:31 entries listed. 22 valid minerals. 2 type localities (valid minerals).
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!