Mineral Strength: Measuring and Expressing

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Questions and Answers

What property allows carbide to cut through steel without getting dull?

  • Cleavage
  • Tenacity
  • Hardness (correct)
  • Fracture

Which mineral property refers to a mineral's resistance to breaking or being deformed?

  • Fracture
  • Cleavage
  • Tenacity (correct)
  • Hardness

Which type of bond results in the brittle nature of minerals like halite, calcite, and fluorite?

  • Metallic bonds
  • Covalent bonds
  • Ionic bonds (correct)
  • Hydrogen bonds

Which term describes the property of minerals like copper and gold being easily hammered into different forms?

<p>Malleable (C)</p> Signup and view all the answers

Which mineral property allows minerals like talc and gypsum to be cut into thin sheets or sections?

<p>Cleavage (C)</p> Signup and view all the answers

What type of mineral is mica, which reforms its original shape after a stress is released?

<p>Elastic (B)</p> Signup and view all the answers

What is used to make washers due to its elasticity and heat resistance?

<p>Mica (B)</p> Signup and view all the answers

What is the resistance of a mineral to scratching called?

<p>Hardness (C)</p> Signup and view all the answers

Which mineral is ranked as the softest on the Mohs Scale?

<p>Talc (D)</p> Signup and view all the answers

What is the main difference between fracture and cleavage in minerals?

<p>Cleavage always results in smooth flat sheets, while fracture does not. (A)</p> Signup and view all the answers

What is used as a substitute for mica in the industry?

<p>Formica (B)</p> Signup and view all the answers

Which mineral exhibits conchoidal fracture?

<p>Quartz (C)</p> Signup and view all the answers

What is the resistance of a mineral to scratching used to determine?

<p>Relative hardness (C)</p> Signup and view all the answers

What material is similar to diamond but much cheaper and used in some drill bits?

<p>Carbide (D)</p> Signup and view all the answers

Which mineral can be cleaved to form thin, flat sheets?

<p>Gypsum (A)</p> Signup and view all the answers

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