To quickly identify a mineral sample, geologists use:

For the answer to the question above, the geologists must look closely at the physical properties of a mineral. These properties can include the color, streak, hardness, cleavage, specific gravity, crystal form, and others factors.

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For the answer to the question above, the geologists must look closely at the physical properties of a mineral. These properties can include the color, streak, hardness, cleavage, specific gravity, crystal form, and others factors.
Explanation:
Even geologists will have a tough time distinctive minerals. There area unit over four,000 better-known minerals, and close to 80-100 new one's area unit discovered annually. Of these, solely some hundred are thought of common.

To help with identification, geologists should look closely at the physical properties of a mineral. These properties will include color, streak, hardness, cleavage, relative density, crystal type, and others. By observing them one can predict properties.

Asmall closed hole formed in an outwash plain or moraine. forms when a  glacier retreats then remains stationary. 

Answer collision and mountain formation;