I've seen an XRF in action it's the coolest instrument. All the gold buyers use it. You place a item or in this case rock chips in it and it measures the percentages of all elements in the item. It works only on the surface to a depth of a few mm but it gives an indication of what the item or rock chips in MANs case may contain.
MAN Price at posting:
22.5¢ Sentiment: Buy Disclosure: Held
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