A 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. (DS9: "Hippocratic Oath")
The prop Tallonian crystal was sold off on the It's A Wrap! sale and auction on eBay. [1](X)
External link[]
- Tallonian crystal at Memory Beta, the wiki for licensed Star Trek works