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Quoting from Gold from Water and Other Mining Scams, be cautious if you hear any of these statements:
"There are not only gold and silver but also platinum group elements in the ore."
(Here's why that statement is generally wrong: Most ores do not have substantial quantities of both platinum and gold. Other platinum group elements, including ruthenium, rhodium, palladium, osmium, and iridium, rarely occur in economically significant quantities in gold deposits.)
"The deposit is so large that it will upset the world market when it is mined."
(Here's why that statement is generally wrong: Most legitimate large discoveries are bought by major mining companies, not peddled to individual investors.)
"The ore is substantially higher grade than most ores."
(Here's why that statement is generally wrong: It is rare to find substantial tonnages of ore, say more than a few thousand tons, containing more than $300 worth of precious metals per ton.)
"Nearly all samples analyzed have ore-grade concentrations."
(Here's why that statement is generally wrong: Most ore deposits have pockets or zones of unprofitable waste rock.)
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