Properties of Trachyandesite lan Nephelinite
ukuran gandum
grained nggoleki
grained nggoleki
tilas
cahya kanggo coklat peteng
putih
porosity
kurang keropos
kurang keropos
luster
earthy
vitreous kanggo metallic
tartamtu gravitasi
2.8-3
2.4-2.9
Kapadhetan
2.9-3.1 g / cm 3
2.5-3 g / cm 3
resistance
tahan panas, meksa tahan, nyandhang tahan
tahan panas