on mine stone:
        if player's gamemode is survival:
			give 7 exp to the player
				if chance of 1.25%:
					if player is holding diamond pickaxe or iron pickaxe:
                    if player's biome is extreme hills:
						give 1 emerald to the player
						add 1 to {szmaragdy.%player}
						send "&cZdobyles: &a1 Szmaragd !"
				if chance of 2.25%:
					if player is holding diamond pickaxe or iron pickaxe:
						give 1 diamond to the player
						add 1 to {diamenty.%player}
						send "&cZdobyles: &b1 Diament !"