Properties of Pseudotachylite lan Rhyolite
ukuran gandum
banget nggoleki-grained
gedhe lan coarse grained
rengat
ora rata
sub-conchoidal
tilas
cahya kanggo coklat peteng
wernane
porosity
kurang keropos
Highly keropos
cleavage
ora duwe aturan baku
ora kasedhiya
kateguhan
ora kasedhiya
2
tartamtu gravitasi
2.46-2.86
2.65-2.67
transparan
transparent kanggo Translucent
opaque
Kapadhetan
2.7-2.9 g / cm 3
2.4-2.6 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas
tahan panas, nyandhang tahan