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Quadrula metanerva: Natural pearl producing freshwater mollusk found in the United States, otherwise known as the monkeyface or knobbed rock shell.
Quadrula nodulata: Natural pearl producing freshwater mollusk found in the United States, otherwise known as the wartyback, two-horned pocketbook, pimpleback, winged pimpleback, nodule and winged orb shell.
Quadrula pustulosa: Natural pearl producing freshwater mollusk found in the United States, otherwise known as the warty pigtoe, wartback and pimpleback shell.
Quadrula quadrula: Natural pearl producing freshwater mollusk found in the United States, otherwise known as the mapleleaf or stranger shell.
Quahog: Saltwater bivalve mollusk (Mercenaria mercenaria) also known as the cherrystone clam.
Quahog pearl: Small, often violet natural pearl with a porcelaneous surface produced by the quahog mollusk.
Quality Assurance Tag: Introduced by JPEA in 1999 as a voluntary quality-control system, the tag is attached to temporary cultured pearl strands before export to indicate they have met minimum quality standards.
Quality factors: Characteristics of natural or cultured pearls used to establish their value.
Queen conch: A marine gastropod (Lobatus gigas/Strombus gigas) from the Gulf of Mexico and Caribbean Sea that produces natural non-nacreous pearls of desirable pink colors known as conch pearls. These pearls may display a unique "flame" pattern which is highly desirable.
Queen's necklace: Pearl necklace measuring 31.5 inches (80 cm).
Quadrula metanerva: Natural pearl producing freshwater mollusk found in the United States, otherwise known as the monkeyface or knobbed rock shell.
Quadrula nodulata: Natural pearl producing freshwater mollusk found in the United States, otherwise known as the wartyback, two-horned pocketbook, pimpleback, winged pimpleback, nodule and winged orb shell.
Quadrula pustulosa: Natural pearl producing freshwater mollusk found in the United States, otherwise known as the warty pigtoe, wartback and pimpleback shell.
Quadrula quadrula: Natural pearl producing freshwater mollusk found in the United States, otherwise known as the mapleleaf or stranger shell.
Quahog: Saltwater bivalve mollusk (Mercenaria mercenaria) also known as the cherrystone clam.
Quahog pearl: Small, often violet natural pearl with a porcelaneous surface produced by the quahog mollusk.
Quality Assurance Tag: Introduced by JPEA in 1999 as a voluntary quality-control system, the tag is attached to temporary cultured pearl strands before export to indicate they have met minimum quality standards.
Quality factors: Characteristics of natural or cultured pearls used to establish their value.
Queen conch: A marine gastropod (Lobatus gigas/Strombus gigas) from the Gulf of Mexico and Caribbean Sea that produces natural non-nacreous pearls of desirable pink colors known as conch pearls. These pearls may display a unique "flame" pattern which is highly desirable.
Queen's necklace: Pearl necklace measuring 31.5 inches (80 cm).
