Pi″so‐lite (?), n. [Gr. � a pea + -lite: cf. F. pisolithe.] (Min.) A variety of calcite, or calcium carbonate, consisting of aggregated globular concretions about the size of a pea; — called also peastone, peagrit.
☞ Oölite is similar in structure, but the concretions are as small as the roe of a fish.