1 Definition
1.1 definisi
felsite punika rock vulkanik grained banget nggoleki sing bisa utawa ora bisa ngemot kristal luwih gedhe lan cahya colored rock sing biasane mbutuhake ujian petrographic utawa analisis kimia kanggo definisi luwih tepat
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 Feldspar english lan -ite
saka tachylite german, saka tachy- + lutos greek telat, leleh
1.4 kelas
1.4.1 sub-kelas
awet rock, medium atose rock
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