Which one of the following is the hardest mineral?

1.	Which one of the following is the hardest mineral?
Answer» <html><body><p><a href="https://interviewquestions.tuteehub.com/tag/1-256655" style="font-weight:bold;" target="_blank" title="Click to know more about 1">1</a>. <a href="https://interviewquestions.tuteehub.com/tag/topaz-710965" style="font-weight:bold;" target="_blank" title="Click to know more about TOPAZ">TOPAZ</a> <br/><a href="https://interviewquestions.tuteehub.com/tag/2-283658" style="font-weight:bold;" target="_blank" title="Click to know more about 2">2</a>. <a href="https://interviewquestions.tuteehub.com/tag/diamond-950944" style="font-weight:bold;" target="_blank" title="Click to know more about DIAMOND">DIAMOND</a><br/>3. Quartz<br/>4. Feldspar</p>Solution :Diamond</body></html>

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