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Pure Pearls Glossary

Know exactly what you are buying

300 pearl and jewellery terms, each one linked to a piece you can hold.

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Types of Pearl

1–24 of 35

Abalone Pearl

A natural pearl from an abalone, usually horn-shaped and intensely iridescent. One of the rarest pearls there is.

Akoya Pearl in pearl jewellery from Pure Pearls

Akoya Pearl

The classic small round white saltwater pearl from Japan and China, usually 5mm to 9mm. The pearl in a traditional single-strand necklace.

65 in stock · from ₹7,245

Bead Nucleated

Grown around a round shell bead, so the pearl is a nacre shell over a core. The saltwater method, and how roundness is achieved.

Biwa Pearl in pearl jewellery from Pure Pearls

Biwa Pearl

A long, flat, stick-shaped freshwater pearl, originally from Lake Biwa in Japan. Now a shape name more than an origin.

23 in stock · from ₹3,500

Blister Pearl

A pearl that grew attached to the shell wall, so it is domed on one side and open on the other.

Conch Pearl

A pink, non-nacreous pearl from the queen conch, prized for a flame-like surface pattern. Cannot be cultured commercially.

Cultured Pearl in pearl jewellery from Pure Pearls

Cultured Pearl

A real pearl grown in a farmed mollusc after a technician places an irritant inside it. Essentially every pearl on the market is cultured.

Dyed Pearl in pearl jewellery from Pure Pearls

Dyed Pearl

A real pearl whose colour has been added after harvest. Standard practice, and entirely fine when it is disclosed.

95 in stock · from ₹400

Edison Pearl

A large bead-nucleated freshwater pearl grown in China, reaching South Sea sizes at freshwater prices.

Exotic Pearl Colours in pearl jewellery from Pure Pearls

Exotic Pearl Colours

Pearls outside the white and cream range: pink, peach, lavender, grey, golden, blue, green and multi-shaded strands.

70 in stock · from ₹3,300

Fireball Pearl

A freshwater pearl with a comet-like tail, formed when the mussel partly rejects the bead.

Freshwater Pearl in pearl jewellery from Pure Pearls

Freshwater Pearl

A pearl grown inside a mussel in a river or lake, rather than an oyster in the sea. Most pearl jewellery sold today is freshwater.

916 in stock · from ₹400

Imitation Pearl

A glass or plastic bead with a pearlescent coating. No nacre, no mollusc, no pearl.

Kasumi Pearl

A large freshwater pearl from Lake Kasumigaura in Japan, known for soft metallic apricot and lavender tones.

Keshi Pearl in pearl jewellery from Pure Pearls

Keshi Pearl

A pearl that forms by accident with no nucleus at all, so it is solid nacre. Irregular in shape and unusually bright.

1 in stock · from ₹18,200

Mabe Pearl

A half-dome pearl grown against the inside of the shell rather than free in the tissue. Flat-backed, so it suits rings and pendants.

Melo Pearl

A rare orange non-nacreous pearl from the Melo melo sea snail of Southeast Asia. Flame-patterned, like a conch pearl.

Mother of Pearl in pearl jewellery from Pure Pearls

Mother of Pearl

The iridescent nacre lining of a mollusc shell. The same material as a pearl, but formed as a sheet rather than a bead.

14 in stock · from ₹2,500

Natural Pearl

A pearl that formed with no human involvement at all. Vanishingly rare, and effectively absent from the retail market.

Nucleation

The operation that starts a cultured pearl: inserting a bead, a piece of mantle tissue, or both.

Paua Pearl

A rare blue-green pearl from the New Zealand paua, an abalone. Almost always a cultured half-pearl rather than a whole one.

Pearl Farming

Growing pearls deliberately: nucleating molluscs, tending them in water for months or years, then harvesting.

Pearl Sac

The pocket of tissue that forms around an implant inside a mollusc and secretes nacre onto it.

Pinctada

The genus of marine oysters that produces every commercially important saltwater pearl.

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