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2. Touchstone (assaying tool) - Wikipedia

   en.wikipedia.org/wiki/Touchstone_(assaying_tool)

   The touchstone was used during the Harappa period of the Indus Valley civilization ca. 2600–1900 BC for testing the purity of soft metals. [2] It was also used in Ancient Greece. [3] The touchstone allowed anyone to easily and quickly determine the purity of a metal sample.

3. Karatmeter - Wikipedia

   en.wikipedia.org/wiki/Karatmeter

   There are many models of Gold Purity Testing machines available - from portable (light weight) to industrial grade machines. Apart from X-ray spectrometer technique, other older traditional methods are using the TouchStone and Acid to test the gold purity. But TouchStone and Acid are destructive testing - a tiny sample of gold is cut and then ...

4. Hallmark - Wikipedia

   en.wikipedia.org/wiki/Hallmark

   In the past the assay was conducted by using the touchstone method but currently (most often) it is done using X-ray Fluorescence (XRF). XRF is used because this method is more exacting than the touchstone test. The most exact method of assay is known as fire assay or cupellation. This method is better suited for the assay of bullion and gold ...

5. Metallurgical assay - Wikipedia

   en.wikipedia.org/wiki/Metallurgical_assay

   XRF is used because this method is more exacting [clarify] than the touchstone test. The most exact method of assay is known as fire assay or cupellation. This method is better suited for the assay of bullion and gold stocks rather than works of art or jewelry because it is a completely destructive method.

6. Hedges Amicus Brief FINAL - HuffPost

   images.huffingtonpost.com/2013-02-01-ThreeAmigos...

   Nos. 12-3176, 12-3644 IN THE UNITED STATES COURT OF APPEALS FOR THE SECOND CIRCUIT CHRISTOPHER HEDGES, et al., Plaintiffs-Appellees, v. BARACK OBAMA, individually and as

7. George Clooney Says Biden ‘Was Terrible at Explaining’ the ...

   www.aol.com/entertainment/george-clooney-says...

   George Clooney had some pointed remarks about the Donald Trump administration, describing the current political climate as one where people “don’t worry about facts.” “You take a narrative ...

8. Assay office - Wikipedia

   en.wikipedia.org/wiki/Assay_office

   Assay offices are institutions set up to assay (test the purity of) precious metals. This is often done to protect consumers from buying fake items. Upon successful completion of an assay (i.e. if the metallurgical content is found be equal or better than that claimed by the maker and it otherwise conforms to the prevailing law) the assay offices typically stamp a hallmark on the item to ...

9. Home delistings soar 64% to the highest level in nearly a ...

   www.aol.com/finance/home-delistings-soar-64...

   Home delistings reached a nine-year high in December after the market was inundated with sellers but not enough buyers.. An influx of housing inventory has left homeowners pulling their listings ...