DETERMINATION METHODS

Surface areas and linear measurements in space can be measured in one step. The angle is measured laterally on a vertical circle, and the direction is measured with an integrated Pendel clinometer. Thanks to its robust construction, this structural ... еще

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 7 ... еще