Soapstone lan Pegmatite Definition
definisi
iku Magnesium sugih rock metamorphic amarga dumadi saka talc Mineral
pegmatite rock punika holocrystalline, rock igneous intrusive kang dumadi saka interlocking kristal phaneritic
panemu
Dingertèni
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
group
ora ditrapake
plutonic
kategori liyane
rock grained nggoleki, rock opaque
rock grained coarse, rock opaque