The collection of 24 minerals contains examples of ten classes of minerals: elements, sulphides, halogenides, oxides, carbonates, borates, sulphates, silicates, phosphates and organic compounds.
The collection contains:
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
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