MINING ROCKSTAR OF THE WEEK – RHODONITE!!
Rhodonite is a pink manganese silicate mineral of variable composition that often contains significant amounts of iron, magnesium, and calcium. It has a generalized chemical composition of (Mn,Fe,Mg,Ca) SiO3. Rhodonite is often associated with black manganese oxides which may occur as dendrites, fracture-fillings, or matrix within the specimen. Other names for Rhodonite include "Manganese spar" and "Manganolite." - "Geology.com".