Thursday, July 20, 2017
Typical Miller Number Results  

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%