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

Level					Production per hour	Production per hour for Demons	Production per hour for Undead	Crystals
1		600			15	30	22
2	400	800			18	36	27
3	600	1 000			21	42	32
4	800	2 000		20	24	48	36
5	1 000	3 000		100	27	54	40
6	1 200	4 000		200	30	60	45
7	1 500	5 000		400	33	66	50
8	6 750	67 500	40 500		66	132	100