Organic Substances, Miscellaneous Natural and Treated Stones
![]() Amber |
![]() Rough Opal |
![]() Coral |
![]() Silicified Coral |
![]() Oyster Mother-of-Pearl |
![]() Oyster Mother-of-Pearl |
![]() Abalone Mother-of-Pearl |
![]() Abalone Mother-of-Pearl |
![]() Sea Water Pearls |
Sea Water Pearls |
![]() Strombe Pink Pearl |
![]() Fresh Water Pearls |
![]() Cultured Sea Water Pearls |
![]() Cultured Sea Water Tinted Pearls |
![]() Cultured Fresh Water Biwa Pearls |
![]() Cultered Fresh Water Biwa Pearls |
![]() Ivory |
![]() Rough Jet |
![]() Tortoise Carapace |
![]() Fashioned Tortoise Shell |
![]() Multi-colored Tourmaline |
![]() Natural Dendritic Agate |
![]() Manufactured Dendritic Agate |
![]() Operculum |
![]() Iris Opal |
![]() Yellow Quartz Treated |
![]() Blue Beryl Treated |
![]() Systhetic Spinel Sintered |