Tallonian crystal
Tallonian crystals were precious gemstones from the Tallonian homeworld.

They were illegal anywhere but on the Tallonian homeworld. To determine the purity of Tallonian crystals, a type 4 Tallonian microscanner is needed.

Quark tried to purchase Tallonian crystals from Regana Tosh in 2372, but was apprehended by Odo. ()

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Gemstones