| Hint | Answer | % Correct |
|---|---|---|
| Au | Gold | 87%
|
| C (tetrahedral) | Diamond | 76%
|
| C (layered) | graphite | 67%
|
| SiO2 | quartz | 66%
|
| ZrSiO4 | zircon | 45%
|
| CaCO3 | calcite | 42%
|
| KAlSi3O8 | Albite | 36%
|
| Al2O3 | Corundum | 36%
|
| CaAl2Si2O8 | Anorthite | 35%
|
| Al2Be3(Si6O18) | Beryl | 31%
|
| CaF2 | fluorite | 30%
|
| CaSO4·2H2O | gypsum | 25%
|
| (Mg, Fe)2SiO4 | Olivine | 24%
|
| SiO2(amorphic) | Opal | 24%
|
| TiO2 | Rutile | 24%
|
| K(Mg,Fe)3(AlSi3O10)(F,OH)2 | biotite | 21%
|
| KAl2(AlSi3O10)(F,OH)2 | muscovite | 20%
|
| NaAlSi3O8 | Orthoclase | 19%
|
| Ca5(PO4)3(OH,Cl,F) | apatite | 17%
|
| Mg3Si4O10(OH)2 | talc | 17%
|
| Al2SiO4(F,OH)2 | Topaz | 16%
|
| Ca2(Mg,Fe,Al)5(Al,Si)8O22(OH)2 | Hornblende | 13%
|
| Cu3(CO3)2(OH)2 | azurite | 12%
|
| UO2 | Uraninite | 10%
|
| MgAl2O4 | spinel | 8%
|
| SiC | carborundum | 6%
|
| NaAlSi2O6 | Jadeite | 6%
|
| (Mg,Fe)7Si8O22(OH)2 | Cummingtonite | 4%
|