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57 MIN READ TIME

Discovery of Elements

German doctor Georg Bauer’s wrote “De re Metallica,” the first book to reveal secrets of mining.

The ancient legend of the Greek Archimedes running naked down the street of Syracuse yelling “Eureka, I’ve found it!” had to do withhis discovery of a specific gravity testing method. He had found a way to determine if Greek King Hiero’s new gold crown was pure and not adulterated withanother metal. What Archimedes deduced while taking a bathwas that the specific gravity of an object could be determined by measuring the ratio of the density of the object to the density of the water it displaced.

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Rock & Gem September 2019, Generations Of Gems : Carrying on the Legacy, Limestone Agates, Prized Platinum, Enchanting Amethyst, And More....

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