Quest: Mineral Identification

After you watch the Identifying Minerals video, you will want to test your skills at identifying minerals. Be sure to download the Mineral Identification Chart to help.

The questions are chosen randomly, so this quest will be different each time you reload the page.


Properties for this mineral:

  • Color: yellow
  • Luster: vitreous
  • Streak: white
  • Hardness: scratches penny and penny scratches it
  • It breaks with: cleavage in three directions

When you have compared these properties with the ID Chart, and think you know the answer, click here.

This is the mineral calcite.


Properties for this mineral:

  • Color: white, gray, clear
  • Luster: vitreous
  • Streak: white
  • Hardness: scratched by fingernail
  • It breaks with: perfect cleavage in one direction
  • Special: Easily breaks into thin sheets

When you have compared these properties with the ID Chart, and think you know the answer, click here.

This is the mineral muscovite.


Properties for this mineral:

  • Color: purple, green, clear
  • Luster: vitreous
  • Streak: white
  • Hardness: scratches penny but won't scratch glass
  • It breaks with: cleavage in four directions

When you have compared these properties with the ID Chart, and think you know the answer, click here.

This is the mineral fluorite.


Properties for this mineral:

  • Color: gold
  • Luster: metallic
  • Streak: greenish black
  • Hardness: scratches glass
  • It breaks with: rough fracture

When you have compared these properties with the ID Chart, and think you know the answer, click here.

This is the mineral pyrite, often known as "fool's gold".


Properties for this mineral:

  • Color: white
  • Luster: vitreous
  • Streak: white
  • Hardness: scratched by fingernail
  • It breaks with: cleavage in three directions
  • Special: dissolves in water

When you have compared these properties with the ID Chart, and think you know the answer, click here.

This is the mineral halite, also known as salt. The salt that you put on your food is a mineral that was dug out of the ground.

The questions are chosen randomly, so this quest will be different each time you reload the page.