Stone Quarry produces Stone from Stone Deposits in city, villages or Pits

Level					Production per hour	Production per hour for Demons	Crystals
1		600			30	60
2	400	800			36	72
3	600	1 000			42	84
4	800	2 000		20	48	96
5	1 000	3 000		100	54	108
6	1 200	4 000		200	60	120
7	1 500	5 000		400	66	132
8	6 750	67 500	40 500		132	264