kauri: resin of the kauri trees of New Zealand; found usually as a fossil; also collected for making varnishes and linoleum
compound: (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight
manna lichen: any of several Old World partially crustaceous or shrubby lecanoras that roll up and are blown about over African and Arabian deserts and used as food by people and animals