There are several physical properties know can use for differentiating the two minerals that have the same color and size, they are the following:
- Hardness: This is because different mineral resources have different levels of ability to resist external pressure such as scratching.
- Luster: different mineral reflects lights differently. Some minerals don't even exhibit luster.
- Fracture: different minerals break differently which depicts their fracture properties.
- Tenacity: different minerals exhibit different breaking points to an external force.
Hence, in this case, it is concluded that there are various physical properties one can use to identify minerals that have the same color and size.
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