1817 J. Sowerby (new ed.) II. 97 Brownspar sometimes occurs of a dull rose colour, but never so bright as the rhomboidal crystals of Rose Manganese that accompany the Tellurium..&c. among Quartz.
1856 J. Dana (ed. 3) 72 Rhodonite (Manganese spar; Rose manganese) is of a beautiful rose colour, inclining sometimes to violet.