Lesson A-10. Rocks, Minerals, Crystals, Dirt, and Soil

This forum has 7 topics, 2 replies, and was last updated 4 years ago by Bernard Nebel.

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- Assorted minerals
  Started by: Bernard Nebel
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- 4 years ago
  Bernard Nebel
- Quartz crystals
  Started by: Bernard Nebel
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- 4 years ago
  Bernard Nebel
- Minerals and Crystals
  Started by: SciBeams5
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- 4 years, 1 month ago
  SciBeams5
- Where metals come from–mineral to metal
  Started by: Bernard Nebel
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- 7 years, 6 months ago
  Bernard Nebel
- Different types of rocks and minerals
  Started by: Bernard Nebel
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- 7 years, 6 months ago
  Bernard Nebel
- Snowflakes are examples of crystals
  Started by: Bernard Nebel
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- 1
- 7 years, 6 months ago
  Bernard Nebel
- Additional online reading
  Started by: Bernard Nebel
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- 10 years, 2 months ago
  Bernard Nebel

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