1 Definition
1.1 definisi
picrite iku macem-macem dhuwur-Magnesium basalt olivine sing sugih banget ing olivine Mineral
pegmatite rock punika holocrystalline, rock igneous intrusive kang dumadi saka interlocking kristal phaneritic
1.2 Sajarah
1.2.1 asal
1.2.2 panemu
1.3 Etimologi
saka pikros greek pait + -ite, abad ka-19
saka pegma greek, pegmat kang bab liya- katunggilaké + -ite
1.4 kelas
1.4.1 sub-kelas
awet rock, hard rock
awet rock, hard rock
1.5 kulawarga
1.5.1 group
1.6 kategori liyane
rock grained nggoleki, rock opaque
rock grained coarse, rock opaque