anything else that a hundred years ago with a slight turn of the century (XIX-XX) profession miner was the most popular and attractive.Thousands of fortune hunters went to Alaska in search of golden sand.Many writers have addressed this topic.Jack London a few great novels described the period of the gold rush.
But not all that glitters is gold.How to determine the gold?What can he be confused?And how not to make a mistake today prospectors, stumbled on gold grains?
The first thing you need to pay attention - this is the size.If you found a piece of metal has a value of more than two centimeters, then most likely, you have become the owner of the so-called "gold simpletons."So miners called pyrite, which is still called stone carving fire, whose resemblance to gold evident.There is another mineral - Miller, who is also very similar to gold, although the difference is, of course, there is - it is a characteristic color, because it is strongly recommend that you look at the color.
Answering the question "How do I determine the gold?", We say that you should pay attention to the shine.Gold has a very special luster, it may reflect the eighty percent of the sun's rays.None of the above-mentioned similar to the mineral gold is not able to reflect the more than fifty three percent.
There is still an experiment that will help to understand how to determine the gold.For this you need unglazed porcelain.Spend a piece of the estimated gold porcelain and look at the track, which will remain.If the band is gold or metallic colors, then you're in luck - it's gold.Black or green color line - a sign of the lack of gold.You can also scratch with a sample needle.If the fines will fall, then rejoice too early.Gold - a soft metal, so when such action will never give pieces.
How to determine the authenticity of the gold in other ways?Try to weigh a sample found.Slice size gold 2h2h2 centimeters will have a weight of close to a hundred forty grams, while the weight of the pyrite, for example, of the same size will not exceed forty grams.
There is another option that can help answer the question of how to determine the gold.The only thing you need - a powerful magnet.This gold will never attract a magnet.If this happened, then in front of you, at best, low-grade gold, well, at worst - gilded bauble.Quite often you can hear from the know-alls and other means of verification.Vinegar, for example, is available in every home, to change the color of counterfeiting if the product will be in it for more than two minutes.The real gold will never change color.But using iodine for inspection is not recommended, since the color change is not only fake, but it will be irretrievably spoiled and gold 585 and 750 tests.Refrain from such experiments.Another way to check the home of gold came to us from the Soviet era.Then at each pharmacy sold lyapisny pencil.On a wet surface under test product was applied to a small dash of this miracle pencil.On gold, he did not leave any trace, but the forgery was detected immediately.
Today, when the price of gold is very high, very seriously raises the question of how to define a sample of gold.After all of the sample will depend on the price of the precious metal and the price of products made of it.Today, most experts use XRF X-ray fluorescence.This quick and cheap method is able to determine not only the extent and purity of the sample, but even Carat submitted sample made of precious metal.Platinum, gold, silver and some other metals may be instantly checked for authenticity by this method.
