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Collection of 24 minerals, 1018444 [U72020], Mineralogy

Collection of 24 minerals

145.58 €
Item: 1018444 [U72020]
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 ... more
Mohs' hardness scale, 1018488 [U72025], Mineralogy

Mohs' hardness scale

46.56 €
Item: 1018488 [U72025]
Ordinal Mohs’ hardness scale with minerals in boxes with a hardness of 1-10. The mineral in level 10, diamond, is included as a diamond tool. The set includes: 1. Talk 2. Gypsum 3. Calcite 4. Fluorite 5. Apatite 6. Orthoclase ... more