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sapphire or quartz?which is toughest?

This topic contains 4 replies, has 3 voices, and was last updated by Profile photo of editor editor 4 months ago.

Viewing 5 posts - 1 through 5 (of 5 total)
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  • #213413
    Profile photo of gemfreak
    gemfreak
    Participant

    Ive been looking everywhere for an answer to this,can anyone direct me to a part of the syllabus which talks about toughness of sapphires and quartz?

    #213428
    Profile photo of sydp
    sydp
    Participant

    Hi if you go on the net and look up Moh’s scale
    it will tell you the hardness

    Quartz 7
    Corundum (Sapphire) 9

    regards

    #213450
    Profile photo of gemfreak
    gemfreak
    Participant

    yeah but hardness and toughness are too different things,so i want the toughness,but youve tols me the hardness,ie the mohs scale.
    So ur answer is incorrect in regards to toughness.

    #213507
    Profile photo of sydp
    sydp
    Participant

    Yes you are right I was looking at Hardness, but considering neither of these gems have perfect cleavage and neither are prone to chipping easily, one would think that because sapphire is a lot harder then it does not wear as quickly as quartz. Toughness in this case really does not rate in either of these gemstones. Where something like Jade it does.
    once again hope this helps

    #213626
    Profile photo of editor
    editor
    Keymaster
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