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Why are gemstones rare?
The Birth of Rocks Unit | Lesson 5 of 5

Why are gemstones rare?

The Birth of Rocks Unit | Lesson 5 of 5
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Discuss: Where do you think the diamond came from?

Reveal answer

Discuss: What do you think is happening in your cups of mineral soups right now?

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Discuss: If the crystals are there and growing, why can’t you see them? Why don’t you have visible crystals in your cup now?

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Discuss: Do you think these might be diamonds that you’re growing? Can you think of a way to test whether these are diamonds?

(Hint: Think of the specialist in the story.)

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Discuss: So are you growing diamonds?

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Discuss: Do you think the mineral soup found in these chamber was hot or cold? HINT: The mineral soup is what made the cracks.

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Discuss: So what do you think would happen if the chamber of mineral soup were SO HOT that it caused a MASSIVE crack that reached the SURFACE of the Earth?

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Grade 4

Earth's Features & Processes

Minerals

Activity Prep

Print Prep

Grade 4

Earth's Features & Processes

Minerals

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Rocks Lesson 5: Why are gemstones rare?

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