Wavellite is an aluminium basic phosphate mineral with formula Al323·5H2O. Distinct crystals are rare, and it normally occurs as translucent green radial or spherical clusters.
Wavellite cluster from Mauldin Mountain Quarries, Mauldin Mt., Montgomery County, Arkansas
Wavellite from the Avant Mine, Garland County, Arkansas, showing spherical structure (size: 3.4 x 2.0 x 1.1 cm)
Pyromorphite is a mineral species composed of lead chlorophosphate: Pb53Cl, sometimes occurring in sufficient abundance to be mined as an ore of lead. Crystals are common, and have the form of a hexag
Wavellite
…Apatite, fluoro-phosphate of calcium Pyromorphite, chloro-phosphate of lead Turquoise, a hydrated phosphate of copper and aluminium…
Pyromorphite Santa Eufemia, Cordoba, Spain
A pocket of crystals of pyromorphite from China
Miniature of sharp, lustrous, apple green color crystal "sprays" on matrix
Fine crystals of pyromorphite from Daoping Mine, Guangxi Zhuang Autonomous Region, China