2642 Biphosphammite & Archerite (Type Locality), Murra-el-elevyn Cave, Cocklebiddy, Western Australia
2642 Biphosphammite (Type Locality) & Archerite from Murra-el-elevyn Cave, Cocklebiddy, Western Australia. Specimen of several fragments in capsule of very rare, tan/brownish Biphosphammite(TL) with minor, white Archerite. Both minerals are related to bat guano deposit....