The question is asking to choose among the following choices that states the characteristic that does not use by the geologists to identify minerals, base on the choices, I would say that the answer would be letter D. Softness. I hope you are satisfied with my answer and feel free to ask for more
The characteristic that geologists do not use to identify minerals is C. Softness. Instead, they assess hardness, streak, fracture, and color among other properties. Thus, 'softness' is not a term commonly used in geological identification of minerals.
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