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  • Black Spinel
  • Black Spinel
  • Black Spinel
  • Black Spinel
  • Black Spinel

    • Main chemical composition: Refractive index of iron-magnesium-aluminum oxide:1.712-1.736
    • Hardness: 8 Mohs
    • Melting point: 1800℃, high temperature resistant, can be wax set
    • Original: Thailand
    • Spinel is a hard vitreous magnesium aluminum oxide that has been used as a gemstone for centuries. It can be the high temperature for heating and wax casting in Jewelry. 

    Product Details

    Color Separation Standards

    We can provide you with strict color separation standards.

    High-Quality Automatic Machine Cutting Gemstone

    To ensure that every aspect of MCG is perfectly presented, we use the highest quality zircon raw materials, cutting-edge turning technology, and standardized production procedures.

    Cutting Drawing

    Cutting is a technique that determines a gemstone's finished appearance, size, and shape.


    MCG is a premium gemstone brand, that provides bulk customization and wholesale services for customers, please feel free to contact us.

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