Answered

What mineral can be used in drills to cut through rock, and why is it used?


Agold because it is easy to shape into a drill
Bdiamond because it has a hardness of 10 on the Mohs hardness scale
Cquartz because it has a hardness of 7 on the Mohs hardness scale
Ddiamond because it is easy to shape into a drill

Verified Answer :

Final answer:

Diamond is the preferred mineral used in drills to cut through rock due to its hardness of 10 on the Mohs hardness scale. This hardness allows diamond to withstand the rigorous demands of drilling without wearing away. Other materials like gold and quartz are inferior for this application due to their lower hardness levels.


Explanation:

Minerals Used in Drills


When drilling through rock, the most effective mineral used is diamond. This is due to its remarkable hardness rating of 10 on the Mohs hardness scale, making it the hardest known natural material. Because of this incredible strength, diamond can cut through various types of rock without wearing down quickly.


Other materials like gold and quartz do not possess the same hardness level that diamond does. Gold, while malleable and easy to shape, lacks the durability required for drilling applications. Quartz, with a hardness of 7, is much softer than diamond and would not be suitable for efficiently cutting through rock.


Why Diamond is Preferred



  • Durability: Diamond tools last much longer than those made from softer materials.

  • Efficiency: The hardness of diamond allows it to cut through materials more quickly, making drilling processes faster.

  • Versatility: Diamond can be used in various applications, from drill bits to cutting tools across different industries.


Learn more about drilling minerals here:

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