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what is moissanite diamond?

Jul 26,2023 | ONEDIA

 

Moissanite is a gemstone that is often referred to as a "diamond simulant" or "diamond alternative" due to its diamond-like appearance and brilliance. However, it is important to note that moissanite is not a diamond, but rather a unique gemstone with its own distinct properties.

Moissanite is composed of silicon carbide and was first discovered in 1893 in a meteor crater by French scientist Henri Moissan, hence its name. Natural moissanite is extremely rare, but scientists have been able to create it in laboratories, making it more accessible for use in jewelry.

The optical properties of moissanite closely resemble those of diamonds, including its high refractive index and exceptional brilliance. It exhibits fire and sparkle that are comparable to, and in some cases even surpass, those of diamonds. Moissanite's hardness on the Mohs scale is 9.25, making it one of the hardest gemstones, second only to diamonds, which have a hardness of 10.

One of the main advantages of moissanite over diamonds is its affordability. Moissanite is significantly less expensive than natural diamonds of similar size and quality, making it an attractive option for those seeking a stunning and budget-friendly alternative to traditional diamonds.

In summary, moissanite is a beautiful and durable gemstone that shares similarities with diamonds in terms of appearance and brilliance but is a distinct gemstone in its own right. It offers a cost-effective and ethical choice for individuals looking for diamond-like elegance without the high price tag.

 

The chemical properties of moissanite are as follows:

  1. Chemical Formula: SiC (Silicon Carbide)
    Composition: Molecular Weight = 40.10 gm
      Silicon 70.04 % Si
      Carbon 29.96 % C
  2. Crystal Structure: Moissanite is a hexagonal crystal, similar to diamonds.
  3. Hardness: Moissanite has a hardness of approximately 9.25 on the Mohs scale, making it harder than most natural and synthetic gemstones, second only to diamond's hardness of 10.
  4. Density: The density of moissanite is around 3.21-3.22 grams per cubic centimeter.
  5. Refractive Index: Moissanite has a relatively high refractive index of 2.65-2.69, creating a brilliant sparkle when light passes through the gemstone.

Moissanite was initially discovered by French chemist Henri Moissan in a meteorite crater in Arizona in 1893, hence the name. Later, synthetic moissanite was created for use in jewelry, becoming a popular diamond alternative with similar brilliance and fire but at a more affordable price.

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