A pearl was a type of gem that grew inside an oyster.
Oysters grew pearls by secreting a substance to cover up something which got stuck between its mantle and its shell that caused it pain. (PROSE: The Feast of the Drowned [+]Loading...["The Feast of the Drowned (novel)"])
John found a pearl in the oyster he was eating at King Neptune's castle, while Gillian was given a pearl necklace. (COMIC: Guests of King Neptune [+]Loading...["Guests of King Neptune (comic story)"])
A Silurian of advanced age would festoon the third eye with pearls as a form of decoration. (PROSE: Blood Heat [+]Loading...["Blood Heat (novel)"])
A feminine version of the Doctor with a bald head and dark skin wielding a flaming sword wore pearl earrings. (PROSE: Rose [+]Loading...["Rose (novelisation)"])
The Toymaker had pearls on his Chinese Mandarin outfit. (PROSE: The Celestial Toymaker [+]Loading...["The Celestial Toymaker (novelisation)"])
Fitz Kreiner described the planet Yquatine as a "blue-green pearl". (PROSE: The Fall of Yquatine [+]Loading...["The Fall of Yquatine (novel)"])
Lady Babbington's pearls were stolen by Ada Mullins, a jewel thief better known as "the Unicorn", in December 1926. (TV: The Unicorn and the Wasp [+]Loading...["The Unicorn and the Wasp (TV story)"])