Langite

Langite Natural Mineral From Tankardstown Mine Bonmahon Co Waterford Ireland Size- 3.7cm x 2.3cm x 1.5cm Weight- 15g You will receive the item in the photo Langite is an uncommon bright blue to blue-green secondary copper Sulfate mineral. Crystal system-monoclinic Mineral class- Sulfate Rock formation- occurs in the oxidized zones of copper sulfide deposits or as post mining encrustations. It precipitates from copper bearing solutions and gels,frequently coating fracture surfaces and tunnel walls in weathered copper bearing rocks.