Properties of Trachyandesite lan Picrite
ukuran gandum
grained nggoleki
grained nggoleki
rengat
conchoidal
ora rata
tilas
cahya kanggo coklat peteng
putih, greenish putih utawa abu-abu
porosity
kurang keropos
kurang keropos
luster
earthy
subvitreous kanggo kurang
tartamtu gravitasi
2.8-3
2.75-2.92
Kapadhetan
2.9-3.1 g / cm 3
1.5-2.5 g / cm 3
resistance
tahan panas, meksa tahan, nyandhang tahan
tahan panas