Golden South Sea Pearls Gemstone & Information | Gemopedia by JTV | Gemopedia™
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.
Pale Yellow To Intense Gold
Golden-south-sea-pearls classificationCommonNameGolden South Sea PearlsSpeciesNAVarietyGolden South Sea PearlsColorsPale Yellow To Intense GoldAlternateNamesGemstoneGroupsKeySeparationsAppearance, 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.ClassificationCommentsTypical size of Golden South Sea pearls is 8 to 16mm; They are produced by gold lipped Pinctada maxima mollusk.
Golden-south-sea-pearls chemistry & crystallographyChemicalNamecalcium carbonate + conchiolin and waterChemicalFormulaCaCO3SynthesisCrystalSystemNAChemistryClassificationOrganicNatureCulturedCrystallinityChemistryComments
Golden-south-sea-pearls optical propertiesTransparencyTranslucent - OpaqueDispersionOpticalCommentsRefractiveIndex1.53-1.685Birefringence0.155OpticCharacterNAOpticSignNAPolariscopeReactionAggregate (AGG)FluorescenceSWUV: Variable
Golden-south-sea-pearls characteristic physical propertiesHardness2.5-4CharacteristicCommentsStreakSpecificGravity2.72-2.78ToughnessGoodInclusionsGolden 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.LusterDullStabilityPoorFractureUnevenCleavageNone