Natural Sunstone Cabochon – 21.12 ct Oval, Golden Orange with Copper Aventurescence

Impressive 21.12 ct sunstone cabochon with strong aventurescence and warm golden-orange tones. A rare, untreated gem ideal for custom statement jewelry.

    Sale price $250.00Regular price
    Regular price $250.00
    Tax included.
    Birthstone
    While not an official birthstone, sunstone is associated with optimism, vitality, and creativity. Its aventurescence—caused by copper inclusions—symbolizes warmth and inner radiance, making it a powerful gem for those seeking uniqueness in their custom jewelry.
    Gemstone Description
    This striking sunstone cabochon weighs an impressive 21.12 carats and showcases a rich golden-orange body color with powerful aventurescence. The optical effect is caused by aligned copper platelets within the stone—visible under magnification and even to the naked eye—producing a metallic, glittering shimmer across the surface.

    Cut in a smooth, oval cabochon to maximize this natural brilliance, the gem displays a silky sheen and subtle chatoyancy that brings warmth and movement to any custom design. With a translucent body and untreated condition, this sunstone is a natural marvel with both visual and mineralogical appeal.

    Its large size and internal reflections make it ideal for collectors or jewelers seeking a standout centerpiece full of personality and natural sparkle.

    Photomicrographs of its copper inclusions are available in this listing—showing the true source of its aventurescent fire.
    Gemstone Specifications
    WEIGHT : 21.12 ct
    SIZE : 19.02 * 14.46 * 10.23 mm.
    SHAPE : Cab. Oval
    CLARITY GRADE : Translucent
    CUT GRADE : Very Good
    TREATMENT : Untreated
    HARDNESS : 6

    Inclusions type : Aventurescence (copper inclusions).
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