Stone, minerals and semiprecious of the world stone
Phosphate: Baildonite -->rus
(Pb Cu)3 (AsO4)2 (OH)2
Crystal structure monoclinic
Hardness on the Mohs scale 4,5
Specific unit weight mass 5,5
Colors from yellow to green
Glance (glitter, glare) resin
Presented concretions of fibred addition, sometimes as dense mass with a powdery raid. Colouring of apple-green and yellow-green.
Loses water at heating in the closed vessel.
Origin provenance genesis.
Baildonite be found in the area of oxidization of copper-leaden deposits jointly with mimetite, olivenite and other arsenate.
Deposit minefield mine field occurrence subsoil.
Among deposits, where this mineral is, it is possible to name Cumeb (Namibia), Sent-Day (a peninsula Kornuoll), Diu (France Alle).