See Also: nordmarkite(dictionary)

nordmarkite (iou)



nordmarkite noun. M19.
[In sense 1 from Nordmark a town in Sweden; in sense 2 from Nordmarka a region in Norway: see -ITE1.]
Mineralogy. A brown manganesian variety of staurolite. M19.
Petrography. A syenite composed mainly of microperthite, with quartz and usu. oligoclase and biotite, which has a trachytoid or granitic texture. L19.
nordmar'kitic adjective consisting of or containing (the rock) nordmarkite M20.