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Mineral Hardness: The Mohs Scale: Multiple Choice
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- 01What mineral represents a hardness of 7 on the Mohs scale and is a major component of sand?
- 02Apatite, a phosphate mineral, defines which number on the Mohs hardness scale?
- 03Corundum, which includes ruby and sapphire, has what hardness value on the Mohs scale?
- 04Which mineral is the hardest on the Mohs scale, with a value of 10?
- 05The scale is named after the German geologist and mineralogist who created it in 1812. What was his name?
- 06Which mineral, with a hardness of 6, is a key component of granite?
- 07What is the hardness of Talc, the softest mineral on the Mohs scale?
- 08A human fingernail has a hardness of about 2.5. Which of these minerals can it scratch?
- 09What is the Mohs hardness of the mineral Topaz?
- 10Which of these minerals is the softest?