Polysilicate verterium
From Memory Alpha, the free Star Trek reference
Polysilicate verterium is a material, which with monocrystal cortenum is used to manufacture verterium cortenide. (VOY: "Investigations")
Polysilicate verterium is a material, which with monocrystal cortenum is used to manufacture verterium cortenide. (VOY: "Investigations")