varvicite Min.
(ˈvɑːvɪsaɪt)
[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. |