| Picture | Answer | % Correct |
|---|---|---|
![]() | Quartz | 90%
|
![]() | Sulfur | 57%
|
![]() | Calcite | 49%
|
![]() | Biotite Mica | 47%
|
![]() | Muscovite Mica | 47%
|
![]() | Pyrite | 45%
|
![]() | Orthoclase Feldspar | 42%
|
![]() | Native Copper | 41%
|
![]() | Olivine | 40%
|
![]() | Halite | 31%
|
![]() | Talc | 30%
|
![]() | Gypsum | 29%
|
![]() | Graphite | 27%
|
![]() | Hematite | 26%
|
![]() | Galena | 24%
|
![]() | Magnetite | 24%
|
![]() | Amphibole (Hornblende) | 18%
|
![]() | Fluorite | 18%
|
![]() | Pyroxene (Augite) | 18%
|
![]() | Bauxite | 8%
|