What is better, Moissanite or Cubic Zirconia?

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What are these stones made of? Cubic zirconia (CZ) is made up of a mix of zirconium and oxygen whereas moissanite is made of silicon and carbon. That said, in comparison to a diamond which is pure carbon, Moissanite is more similar in composition being half carbon. Both of these gemstones are extremely rare to find in their natural state on earth and so all moissanite and CZ that are sold today are lab created. Which is harder to scratch? While diamonds are commonly known as the hardest gemstone on earth, with a perfect score of 10 on the Mohs scale, Moissanite comes in close behind it as the second hardest gemstone at 9.25. This scale refers to a stones ability to scratch and so Moissanite is an ideal gemstone for daily wear. CZ comes in a bit lower at 8-8.5 on the Mohs
What are these stones made of? Cubic zirconia (CZ) is made up of a mix of zirconium and oxygen whereas moissanite is made of silicon