Dannemorite

( Min.) A yellowish-brown to greenish-gray variety of AMPHIBOLE, q. v. Dan'newerk, Dan'nevirke, or Dan'ewirke, the name of a strong wall or bulwark, built in the 9th century to protect S. Jütland in Denmark, and strengthened in 937 by the Queen-consort Thyra. Here, in 1848, a Pru ian force under Wrangel, 30,000 strong, defeated 10,000 Danes after a battle of 8 hours duration. In the Schleswig-Holstein war of 1864 the Danes were forced to abandon the D. to the allied Austrian and Pru ian troops.