Properties of Rhyodacite lan Pegmatite
ukuran gandum
grained nggoleki
medium kanggo coarse grained
rengat
conchoidal
conchoidal
porosity
kurang keropos
kurang keropos
luster
greasy kanggo kurang
grainy, mutiyara lan vitreous
cleavage
ora kasedhiya
sampurna
tartamtu gravitasi
2.34-2.40
2.6-2.63
transparan
opaque
tembus kanggo opaque
Kapadhetan
ora Sumadhiya
2.6-2.65 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas
tahan panas, impact tahan, meksa tahan