Helvetitj Pearls
Helvetitj Pearls is a specific item of Metals in the galaxy.
Oysters have been one of the more successful adaptors with their rapid genetic modification. Due to the chemicals in the waters the oysters of Helvetitj produce a range of vividly coloured but natural pearls which are in high demand for decorative purposes, but are valued as a food source as well.
— In-Game Description
Rare goods increase in value the further you travel from their point of purchase.