Properties of Rhomb Porphyry lan Nephelinite
ukuran gandum
grained nggoleki
grained nggoleki
porosity
banget kurang keropos
kurang keropos
luster
subvitreous kanggo kurang
vitreous kanggo metallic
tartamtu gravitasi
2.86
2.4-2.9
Kapadhetan
2.8-2.9 g / cm 3
2.5-3 g / cm 3
resistance
tahan panas, meksa tahan
tahan panas