Plancheite
Crystal system:
Orthorhombic Plancheite is a rare, translucent copper silicate occurring as a secondary mineral in oxydation zones. It forms as radial groups of needle-like or fibrous crystals. Plancheite is named after J. Planche who brought samples of the mineral back from Africa. This specimen of Plancheite comes from M'sesa, Katanga, Zaire. |