U72020 Collection of 24 Minerals

1. Elements: graphite and sulphur
2. Sulphides: bournonite, galenite and pyrite
3. Halogenides: fluorite and halite
4. Oxides: hematite, quartz and rutile
5. Carbonates: calcite and dolomite
6. Borates: ludwigite
7. Sulphates: barite, coelestine and gypsum
8. Phosphates, arsenates and vanadates: apatite and vanadite
9. Silicates and germanates: actinolite, amazonite, muscovite, sodalite and talk
10. Organic compound: copal