Golden South Sea Pearls Gemstone & Information | Gemopedia by JTV | Gemopedia™

Golden South Sea Pearls

While South Sea pearls are considered the pinnacle of cultured pearls, golden South Sea pearls are particularly coveted as this golden color is rare in other pearl types. These pearls are usually from the Philippines and Indonesia and command prices higher than any other pearl.

Colors

Pale Yellow To Intense Gold

  • Golden-south-sea-pearls classification

    CommonName
    Golden South Sea Pearls
    Species
    NA
    Variety
    Golden South Sea Pearls
    Colors
    Pale Yellow To Intense Gold
    AlternateNames
    GemstoneGroups
    KeySeparations
    Appearance, RI, birefringence blink and magnification. A "tooth test" is commonly used in which a pearl is rubbed against a tooth; if gritty, this is an indication that the surface is nacre, versus plastic and glass imitations that feel smooth.
    ClassificationComments
    Typical size of Golden South Sea pearls is 8 to 16mm; They are produced by gold lipped Pinctada maxima mollusk.
  • Golden-south-sea-pearls chemistry & crystallography

    ChemicalName
    calcium carbonate + conchiolin and water
    ChemicalFormula
    CaCO3
    Synthesis
    CrystalSystem
    NA
    ChemistryClassification
    Organic
    Nature
    Cultured
    Crystallinity
    ChemistryComments
  • Golden-south-sea-pearls optical properties

    Transparency
    Translucent - Opaque
    Dispersion
    OpticalComments
    RefractiveIndex
    1.53-1.685
    Birefringence
    0.155
    OpticCharacter
    NA
    OpticSign
    NA
    PolariscopeReaction
    Aggregate (AGG)
    Fluorescence
    SWUV: Variable
    LWUV: Variable
    CCFReaction
    Pleochroism
    None
  • Golden-south-sea-pearls characteristic physical properties

    Hardness
    2.5-4
    CharacteristicComments
    Streak
    SpecificGravity
    2.72-2.78
    Toughness
    Good
    Inclusions
    Golden South Sea pearls tend to be more spotted than Akoya. They have a thicker nacre coat compared to other saltwater pearls. If the pearl is drilled you can inspect the hole to look for bead nucleus.
    Luster
    Dull
    Stability
    Poor
    Fracture
    Uneven
    Cleavage
    None