sordavalite Min.
(ˈsɔːdəvælaɪt)
Also sordawal(l)ite.
[ad. Sw. sordawalit (Nordenskiöld, 1820), f. Sordawala, -vala, in Finland, its locality.]
A vitreous mineral substance found in diabase.
1823 W. Phillips Min. (ed. 3) 210 Sordawalite..is described as being nearly black. 1850 Ansted Elem. Geol., Min., etc. 191 Sordawalite, silicate of alumina and magnesia with phosphate of magnesia. 1868 Watts Dict. Chem., Sordawallite, a mineral resembling pit-coal in appearance, forming three layers in trap near Sordawala in Finland. 1882 Imperial Dict. (Annandale), Sordavalite. [So in later Dicts.] |