ˌrōdəˈkrōˌsīt, rōˈdäkrəˌs- noun
( -s )
Etymology: German rhodochrosit, from rhod- + Greek chrōsis coloring (from chrōs, chroos color, skin) + German -it -ite — more at chromatic
: a characteristically rose red mineral MnCO 3 consisting essentially of manganese carbonate that is isomorphous with calcite and siderite and commonly occurs massive with rhombohedral cleavage like calcite (hardness 3.5-4.5, specific gravity 3.45-3.60)