Bite it...
well you could find the density of it by this equation density=mass/volume and compare it to the density of gold on the Periodic Table
We tell real gold by its weight.
no
by pooing on it
You can tell if you have a real gold necklace by checking its hardness, luster, specific gravity, streak, cleavage, and fracture, if all the properties match with the properties of gold you have a gold necklace.
ask a gold smith
You can tell by looking at the claps . It should have it engraved.
I was wondering the same thing. I can tell real gold from fake just by looking and the 'gold' that i saw that had FAS on it was surely not real gold.
You can determine if a ring is real gold by looking for marks such as a karat stamp (e.g. 10K, 14K, 18K) indicating the purity of the gold. You can also perform a simple acid test or take it to a jeweler for professional testing. Additionally, real gold will not tarnish or discolor skin.
by the colour and luster of the rock
Bite it. Real gold is heavy but malleable, and when you bite it, it will leave an impression.
Burning gold will not help determine if it is real or not, as gold's properties do not change when burned. To determine if gold is real, it is best to conduct a professional assay test or have it evaluated by a reputable jeweler.
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