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Mohs scale

earth science Maturity 11-13

Some rocks are hard. Some are soft. You can test them. A hard rock can scratch a soft rock. A diamond is the hardest.

Rough diamond.jpg
Rough diamond.jpg
Can you find a hard rock?

32 words
🖼️ Images & Media (12)
File:Mohssche-haerteskala hg.jpg
Mohssche-haerteskala hg.jpg
File:Mohs scale vs absolute hardness.png
Mohs scale vs absolute hardness.png
File:Talc block.jpg
Talc block.jpg
File:Gypse Arignac.jpg
Gypse Arignac.jpg
File:Calcite-sample2.jpg
Calcite-sample2.jpg
File:Fluorite with Iron Pyrite.jpg
Fluorite with Iron Pyrite.jpg
File:Apatite Canada.jpg
Apatite Canada.jpg
File:OrthoclaseBresil.jpg
OrthoclaseBresil.jpg
File:Quartz Brésil.jpg
Quartz Brésil.jpg
File:Topaz-120187.jpg
Topaz-120187.jpg
File:Corundum-dtn14b.jpg
Corundum-dtn14b.jpg
File:Rough diamond.jpg
Rough diamond.jpg
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📚 Content adapted from Wikipedia | Readability: FK 11.5 | Vital Level 5