text: The following tests are commonly used for geometallurgical modeling:
  * Bond ball mill work index test
  * Modified or comparative Bond ball mill index
  * Bond rod mill work index and Bond low energy impact crushing work index 
  * SAGDesign test 
  * SMC test
  * JK drop-weight test
  * Point load index test
  * Sag Power Index test (SPI(R)) 
  * MFT test 
  * FKT, SKT, and SKT-WS tests