jinis
mercon obsidian, mahoni, Sheen obsidian, Snowflake obsidian lan Beludru merak obsidian
basaltic trachyandesite
fitur
pamblokiran negativity, mbantu kanggo ngreksa marang depresi
tahan struktural dhuwur marang erosi lan iklim, rock grained banget nggoleki
pinunjul arkeologi
monumen
-
-
monumen misuwur
-
-
reca
-
-
patung misuwur
-
-
Pictographs
-
-
petroglyphs
-
-
figurines
-
-
fosil
absen
absen