1 Definition
1.1 definisi
tachylite punika wangun vitreous saka kaca vulkanik basaltic. kaca iki alami dening cooling kanthi cepet saka basalt molten
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 tachylite german, saka tachy- + lutos greek telat, leleh
saka pegma greek, pegmat kang bab liya- katunggilaké + -ite
1.4 kelas
1.4.1 sub-kelas
awet rock, medium atose rock
awet rock, hard rock
1.5 kulawarga
1.5.1 group
1.6 kategori liyane
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque
rock grained coarse, rock opaque