Hallo boys

Indy
Sov
Index to obtain to maintain anom (m3)
1 750,000 375,000 Small
2 1,500,000 750,000 Medium
3 3,000,000 1,500,000 Large
4 6,000,000 3,000,000 Enormous
5 12,000,000 6,000,000 Colossal

Small Medium Large Enormous Colossal
Arkonor: 9,600 28,000 29,900 58,000 60,800
Bistot: 12,800 38,700 57,000 86,000 114,300
Crokite: 30,000 84,700 124,000 169,000 225,200
Dark Ochre: 16,000 31,000 60,000 50,000 115,000
Gneiss: 170,000 340,000 313,500 540,000 630,000
Spodumain: 300,000 270,000 368,100 542,000 736,200
Mercoxit: 0 2,600 3,500 5,200 7,000

And thus, you were enlightened.