If the quartz sticks to the magnet then it contains iron pyrite or fool s gold.
Fools gold real gold rock.
The tiny nugget weighs 0 0035 troy ounce and at a gold price of 1200 ozt the nugget if it were pure gold would have a gold value of 4 20.
For example fool s gold is not a metal while real gold is pure metal.
Some pyrite can actually contain traces of metal such as gold.
Unlike real gold fool s gold is not a metal.
It is a mineral an iron sulfide and has a crystalline structure.
To identify gold inside of a piece of quartz hold a magnet against the rock.
Gold leaves a yellow streak while pyrite s streak is brownish black.
Iron pyrite is attracted to magnets but real gold is not magnetic.
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Regardless it s not totally unheard of to find some small traces of real gold in pyrite.
A copper penny and a tiny gold nugget on a black streak plate with a small streak made by the nugget.
The copper penny is in the photo to serve as a scale.
As you can imagine the value of real gold is significantly higher than that of pyrite.
While pyrite has a brass yellow color and metallic luster similar to gold pyrite is brittle and will break rather than bend as gold does.
Fool s gold is actually a mineral composed of iron sulfide with a crystalline structure.
You can also try to scratch a piece of glass or unglazed ceramic with the gold portion of the rock.
There s gold in them there hills on a recent trip to sutter s mill in coloma ca we got a chance first hand to discover actual gold and learn how to tell the difference between the real deal and tricky fool s gold.
Fool s gold scratches glass whereas real gold does not.
The real story behind fool s gold.
Pyrite is called fool s gold because it resembles gold to the untrained eye.
Without zooming in it can be tough to tell the difference especially when the sun is shining and the water makes everything glisten.