0 Talk Ferrous oxide Edit History Ferrous oxide, or Iron(II) oxide, was a type of iron oxide, distinct from rust. Ferrous oxide was one of the first chemicals the Horta Ttan could taste when she arrived on Davonia in 2370. (DS9 novel: Devil in the Sky) External linkEdit Ferrous oxide article at Wikipedia, the free encyclopedia. Read more Ferrocarbonite was a manufactured material used in constructing starship plasma injectors. The... Ferrocarbonite Kar'kethet is a natural alloy known for its malleability. The Klingons use kar'kethet, along... Kar'kethet Silk was a natural protein fiber, some forms of which can be woven into textiles, and was made... Silk Related Categories Category: Materials and substances Add category