jinis
kimberlites basaltic lan kimberlites micaceous
Phyllite, Schist, lan Slate
fitur
tansah ditemokake minangka pipo vulkanik liwat lemah ndhuwur Continental jero, tuan rumah rock kanggo diamond, iku salah siji saka rock tuwa, lumahan asring mengilap
gampang pecah dadi lancip piring, lumahan asring mengilap, rock grained banget nggoleki