Min. [f. med.L. Varvicia Warwickshire: see -ITE. Named by Phillips (1829).] ‘An impure pyrolusite or wad, resulting from the alteration of manganite’ (Chester).
1829. R. Phillips, in Phil. Mag., Ser. II. VI. 282. What you examined was principally manganite, while the mineral which I analysed was the new oxide, and which, should you agree with me as to its composition, I propose to call Varvicite.
1839. Penny Cycl., XIV. 381/1. Varvicite occurs massive and in pseudo-crystals. Composed of thin plates and fibres.
1868. Watts, Dict. Chem., Varvicite, a manganese-ore from Warwickshire.
