on mine:
	event-block is stone:
		chance of 3%:
			cancel the event
			set event-block to air
			drop 1 iron ingot at event-block
			stop trigger
		chance of 1%:
			cancel the event
			set event-block to air
			drop 1 gold ingot at event-block
			stop trigger
		chance of 0.75%:
			cancel the event
			set event-block to air
			drop 1 diamond at event-block
			stop trigger