Swallow stone

Chelonite, Swallow stone Dove-stone, Chelonius, Chelidonius Ortus Sanitatis, Beck, 1517 ChelonitisGemmarum et Lapidum Historia, Tollius, 1647 Minerological name: Chelonite Parts used: Stones from the belly of young swallowsAlbertus said some are black, some reddish in color.Duffin (2015) has stated these to be fossils of orbitoline foraminiferans or sometimes pycnodont teeth. Temperature & Taste: Cool, dry…