| 41. | It has a Mohs hardness of 3 to 3.75 and a specific gravity of 6.5.
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| 42. | It has a Mohs hardness of 7 to 7.5 and a specific gravity of 3.0.
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| 43. | It has a Mohs hardness of about 2.
|
| 44. | It has a Mohs hardness of 2 3.
|
| 45. | It has a Mohs hardness of about 2-3.
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| 46. | The Mohs hardness for bonaccordite is 7 and its density is 5.17 g / cm 3.
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| 47. | If Mohs hardness is a must, Victorinox could have used ceramics ( regardless of the costs ).
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| 48. | It has a Mohs hardness of 4-5.
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| 49. | Its Mohs hardness scale is 4.5-5.
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| 50. | Its Mohs hardness is also 4.5.
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