greenschist punika rock metamorphic sing dibentuk miturut Suhu paling lan tekanan lan biasane diprodhuksi dening metamorphism regional
saka mineral kayata chlorite, Serpentine, lan epidote, lan mineral platy kayata muscovite lan platy Serpentine kang ijo ing warna
awet rock, medium atose rock
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque