| 释义 |
larvikite Petrogr.|ˈlɑːvɪkaɪt|
Also laurvikite, † -vigite |ˈlaʊə-|.
[ad. G. laurvikit (W. C. Brögger 1890, in Zeitschr. f. Kryst. XVI. 29), f. Laurvik (now Larvik), name of a Norwegian seaport: see -ite1.]
A kind of syenite that has a characteristic coarse texture dominated by rhombs of soda or soda-lime feldspar, with augite as the chief mafic mineral, and is used as a decorative stone.
1895A. Harker Petrol. 304 (Index), Laurvikite. 1911Encycl. Brit. XVI. 30/1 The ornamental stone from south Norway, now largely used as a decorative material in architecture, owes its beauty to a felspar with a blue opalescence..which Professor W. C. Brögger has termed cryptoperthite, whilst the rock in which it occurs is an augite-syenite called by him laurvigite, from its chief locality, Laurvik in Norway. 1962R. Webster Gems I. ix. 157 The Norwegian rock known as laurvikite..is a material extensively used for building façades. 1965Norsk Geol. Tidsskr. XLV. 69 The two monsonitic syenites from the Oslo area, larvikite and tönsbergite, differ mainly in the colour of the feldspar minerals. The blue schiller which is so predominant in the larvikite varieties is normally completely masked by the red colour of the tönsbergite varieties. 1971Country Life 16 Sept. 683/1 By the date of the opening of Highgate [Cemetery]..the Victorians had become eclectic in their choice, employing all manner of stones, often of distant source, simply on account of their pleasing colour or texture. So we find the iridescent Larvikite from Norway together with all colour tones of granite-type rock from Finland or Sweden. |