Properties of Rhyolite lan Picrite
ukuran gandum
gedhe lan coarse grained
grained nggoleki
rengat
sub-conchoidal
ora rata
tilas
wernane
putih, greenish putih utawa abu-abu
porosity
Highly keropos
kurang keropos
luster
earthy
subvitreous kanggo kurang
cleavage
ora kasedhiya
cacat
tartamtu gravitasi
2.65-2.67
2.75-2.92
Kapadhetan
2.4-2.6 g / cm 3
1.5-2.5 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, nyandhang tahan
tahan panas