definisi
iku Magnesium sugih rock metamorphic amarga dumadi saka talc Mineral
pegmatite rock punika holocrystalline, rock igneous intrusive kang dumadi saka interlocking kristal phaneritic
Sajarah
asal
usa
-
panemu
Ora dingerteni
rj Hauy
Etimologi
saka abad ka-17, amarga saka aran greasy lan nggunakake kaya sinetron sing
saka pegma greek, pegmat kang bab liya- katunggilaké + -ite
kelas
rocks metamorphic
batuan beku
sub-kelas
awet rock, rock alus
awet rock, hard rock
kulawarga
group
-
plutonic
kategori liyane
rock grained nggoleki, rock opaque
rock grained coarse, rock opaque