Rhodonite
Videos
Rhodonite is a manganese inosilicate, with the formula SiO3, and member of the pyroxenoid group of minerals, crystallizing in the triclinic system. The term rhodonite was first introduced by Germar. f
Rhodonite from San Martín Mine, Chiurucu, Huallanca District, Bolognesi Province, Ancash, Peru Specimen size: 53 mm × 52 mm × 40 mm (2.1 in × 2.0 in × 1.6 in)
Pink rhodonite contrasting with black manganese oxides is sometimes used as gemstone material as seen in this specimen from Humboldt County, Nevada.
Tomb of Tsarina Maria Alexandrovna, wife, of Tsar Alexander II, Peter and Paul Cathedral
Triclinic crystal system
Videos
In crystallography, the triclinic crystal system is one of the seven crystal systems. A crystal system is described by three basis vectors. In the triclinic system, the crystal is described by vectors
Rhodonite
…Rhodonite is a manganese inosilicate, with the formula (Mn, Fe, Mg, Ca)SiO3, and member of the pyroxenoid group of minerals, crystallizing in the triclinic system. The term rhodonite was first introduced by Germar. from Ancient Greek ῥόδον (rhódon) 'rose'. It commonly occurs as cleavable to compact masses…
Microcline, an example of the triclinic crystal system