Although agates may be found in various kinds of rock, they are classically associated with volcanic rocks but can be common in certain metamorphic rocks.
Inkastoo da 'yaryar laga heli karo noocyo kala duwan oo dhagax ah, waxay si caadi ah ula xiriiraan dhagaxyada volcanic waxayna ku badan yihiin dhagaxyada metamorphic.