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Pyrite is harder than gold. While Pyriteâs hardness is 6 to 6.5, gold has hardness around 2 to 3. Pyrite also contains high amount of iron. There is also a big difference in the specific gravity between gold and pyrite.While gold has a specific gravity of 15.6/19.3, pyrite has 5.0.old vs Pyrite. It is easy to make out the difference between Gold and pyrite. They have much difference in their structure, colour, hardness and specific gravity. When comparing gold and pyrite with regard to their colour, both have a metallic lustre but have different yellow tones.
Pyrite and chalcopyrite can be notoriously hard to distinguish between. There are several mineral properties that can be used to tell the difference, however. First, chalcopyr â¦ ite is slightly softer than pyrite (Chalcopyrite has a hardness of 4.0 on the Mohs hardness scale, whereas pyrite has a hardness of 6.0.-6.5).old and pyrite have a yellowish  color but pyrite has a pale and brassy â¦ color compared to gold.  Pyrites are shaped more like crystals while gold tends to form as a  nugget. Another difference between the two is that gold can be  scratched with a pocketknife while pyrite cannot be scratched.