| 1. | It cannot be scratched by steel ( see Mohs scale ).
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| 2. | Apatite is the defining mineral for 5 on the Mohs scale.
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| 3. | Dentin rates approximately 3 on the Mohs scale of mineral hardness.
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| 4. | It has a hardness on Mohs scale of 5 to 6.
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| 5. | The harder serpentines can also reach 4 on the Mohs scale.
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| 6. | It has a brassy to golden yellow color and a Mohs scale.
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| 7. | Its name comes from the Mohs scale rating is 5-6.
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| 8. | Its name comes from the Mohs scale rating is 5 to 6.
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| 9. | It is rated 7.5 on the Mohs Scale.
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| 10. | Natrophilite is rated 4.5 to 5 on the Mohs Scale.
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मोबाइल