Properties of Oolite lan Obsidian
ukuran gandum
grained nggoleki
-
rengat
conchoidal
conchoidal
porosity
kurang keropos
banget kurang keropos
luster
mutiyara kanggo mengilap
vitreous
tartamtu gravitasi
-9999
2.6-2.7
Kapadhetan
-9999 g / cm 3
2.6 g / cm 3
resistance
tahan panas, nyandhang tahan
tahan panas, impact tahan