Properties of Rhomb Porphyry lan Picrite
ukuran gandum
grained nggoleki
grained nggoleki
rengat
conchoidal
ora rata
tilas
putih
putih, greenish putih utawa abu-abu
porosity
banget kurang keropos
kurang keropos
luster
subvitreous kanggo kurang
subvitreous kanggo kurang
tartamtu gravitasi
2.86
2.75-2.92
Kapadhetan
2.8-2.9 g / cm 3
1.5-2.5 g / cm 3
resistance
tahan panas, meksa tahan
tahan panas