|
Natural Variation of Miller Numbers for Generic Minerals |
|
|
MINERAL |
MINIMUM |
AVERAGE |
MAXIMUM |
VARIANCE |
|
Alundum |
287 |
935 |
1582 |
202% |
|
Ash |
2 |
160 |
318 |
198% |
|
Bauxite |
22 |
42 |
61 |
93% |
|
Silicon Carbide |
1019 |
1168 |
1316 |
26% |
|
Coal |
6 |
32 |
57 |
159% |
|
Copper Ore |
100 |
287 |
474 |
130% |
|
Hematite |
125 |
144 |
163 |
26% |
|
Limestone |
10 |
28 |
46 |
129% |
|
Magnetite |
112 |
180 |
248 |
76% |
|
Phosphate |
53 |
94 |
134 |
86% |
|
Rutile |
94 |
106 |
117 |
22% |
|
Sand |
100 |
280 |
459 |
128% |
|
Tailings |
20 |
435 |
849 |
191% | |
|