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<p>[QUOTE=&quot;Kentucky, post: 1401059, member: 33176&quot;]What we are getting in to here is reality.&nbsp; Can you get any material in 100.0000000000000000000 (tired of hitting the 0) % purity?&nbsp; Can you go above 100% - subject to definition, maybe, but for the discussion here, we need to really deal with 99.9999999999999999999999999999 and so on %, because wherever you end this series of 9&#039;s you will round it off to 100.0000 - one less than you had places for 9&#039;s.&nbsp; Take a look online at significant figures and that will maybe help.&nbsp; The idea is that the refiners are trying to the best of their ability to make 100% pure gold, but have assayed it and found that the purity is ----.&nbsp; If they cannot detect anything, they could also be admitting the limits of detection of their instruments.&nbsp; In looking at other metals that can be ordered from chemical suppliers you will rarely find anything beyond 99.999%.&nbsp; At this level, any inclusions are impurities rather than alloying materials.&nbsp; Pure gold has a Moh Hardness of 2.5, so it is not like clay.[/QUOTE]</p><p><br /></p>

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