1 Definition
1.1 definisi
iku Magnesium sugih rock metamorphic amarga dumadi saka talc Mineral
tachylite punika wangun vitreous saka kaca vulkanik basaltic. kaca iki alami dening cooling kanthi cepet saka basalt molten
1.2 Sajarah
1.2.1 asal
1.2.2 panemu
1.3 Etimologi
saka abad ka-17, amarga saka aran greasy lan nggunakake kaya sinetron sing
saka tachylite german, saka tachy- + lutos greek telat, leleh
1.4 kelas
rocks metamorphic
batuan beku
1.4.1 sub-kelas
awet rock, rock alus
awet rock, medium atose rock
1.5 kulawarga
1.5.1 group
1.6 kategori liyane
rock grained nggoleki, rock opaque
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque