Rajkishor dora Asked an Mcq
July 10, 2021 3:25 pmpts 10 pts
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  • Simmi
    kynite shows dual hardness, 4.5 and 7
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  • Rajkishor dora
    it show dual hardness
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  • Anukruti
    kyanite
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  • Rohinee
    2 types of hardness in 2 different planes
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  • Mayank vedwal Vedwal
    kyonkee shows dual hardness... one is along the length (4 to 5 ) and another is across the length (6 to 7 )
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  • Sajan sarthak thankyou
    kyanite and calcite shows dual hardness.
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