| silica → HasA → direct relationship | 0.44 | |
| silica → HasA → dust | 0.43 | |
| silica → HasA → high melting point | 0.40 | |
| silica → HasA → material | 0.40 | |
| silica → HasA → three main crystalline varieties | 0.36 | |
| silica → HasA → average length | 0.25 | |
| silica → HasA → cristobalite | 0.25 | |
| silica → HasA → tridymite | 0.25 |