Integrative Levels Classification project ILC2 schedules developing schedules how it works people references
ILC class gtstb

ILC developing version
Expanded class gtstb

   ▲  broader class

▽ ⌕         gtstb                      quartz; SiO2  ↞ feic silicon dioxide
 
Connected classes:
 
 g63v                7; quartz hardness  ↞ gtstb 
 iipzq           quartzites  ↞ gtstb 

specificity 
current: 99 

   
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