Podcast
Questions and Answers
All minerals have the same color.
All minerals have the same color.
False
The way a mineral reflects light is called luster.
The way a mineral reflects light is called luster.
True
Cleavage refers to the way a mineral feels when touched.
Cleavage refers to the way a mineral feels when touched.
False
A mineral with metallic luster looks shiny like a metal.
A mineral with metallic luster looks shiny like a metal.
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Streak is always the same color as the mineral.
Streak is always the same color as the mineral.
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What is the difference between cleavage and fracture in minerals?
What is the difference between cleavage and fracture in minerals?
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Name two tools you can use to test a mineral's hardness.
Name two tools you can use to test a mineral's hardness.
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Why is color alone not a reliable property for identifying minerals?
Why is color alone not a reliable property for identifying minerals?
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What property is tested by rubbing a mineral on a porcelain tile?
What property is tested by rubbing a mineral on a porcelain tile?
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Name three physical properties you can use to identify a mineral.
Name three physical properties you can use to identify a mineral.
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Study Notes
Physical Properties of Minerals
- Minerals have various physical properties used to identify them
- Hardness: Measured using the Mohs scale
- Luster: Describes how a mineral reflects light
- Streak: Color of a mineral's powdered form
- Cleavage: How a mineral breaks along flat surfaces
- Fracture: How a mineral breaks in an irregular way
- Color: Not always a reliable indicator due to impurities
Identifying Minerals
- Multiple properties are often needed to identify a mineral, not just color
- Rubbing a mineral on a porcelain tile tests its streak
- Hardness is measured using the Mohs scale
- Luster describes how the mineral reflects light
- Cleavage describes how the mineral breaks
- Fracture describes how the mineral does not break in a plane
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Description
Explore the essential physical properties used for identifying minerals, including hardness, luster, streak, cleavage, and fracture. This quiz will help reinforce your understanding of how these properties assist in mineral identification. Test your knowledge on the various characteristics that define different minerals.
