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How to identify moissanite real or fake at home?

Jul 08,2022 | VOOGME

How can you tell if moissanite is a zircon forgery? The best way is to test moissanite with a diamond testing pen. When the Mohs scale of hardness for a gemstone is over 9, it will pass the diamond tester. Therefore, both moissanite and diamond can pass the test as they are 9.25Mohs and 10Mohs respectively. However, zircon is 6 to 7.5 on the Mohs scale of hardness, so it won’t pass the test.
If you do not have a diamond testing pen, you can also do the test with the household tools to identify the authenticity. The following methods can help you identify whether your moissanite is real or not.

  1. Moissanite is mono-reflective, so it has a glossy surface. When you put your finger on one side of the gemstone, you can't see the hand lines from the other side. But the imitation has poor light transmission, which means you are able to see the hand lines from the other side.
  1. Moissanite and diamonds are both oleophilic, but zircon is not. Put a drop of oil on the surface of moissanite. If the oil disperses immediately, it may be moissanite or a diamond; if the oil gathers together, it may be a zircon.
  1. Puta drop of water on the moissanite. If the water drop can bulge and does not disperse for a long time, then it is real. Note that moissanite is a relatively small ornament, so please do not drop too much water when doing this experiment.
  1. From the point of view of hardness, zircon is a bit lower than moissanite. If they knock against each other, the one leaving scratches on the surface will be the zircon. But this method may cause damage to the jewelry, so it is not recommended to try this way.
  1. Draw a horizontal line on white paper, put the gemstone face down covered in the line, and then look down from the back. If you can see the line underneath through the moissanite, then it is an imitation.