Minerals can be described by various physical properties which relate to their chemical structure and composition. Common distinguishing characteristics include crystal structure and habit, hardness, lustre, diaphaneity, colour, streak, tenacity, cleavage, fracture, parting, and specific gravity. More specific tests for minerals include magnetism, taste or smell, radioactivity and reaction to acid.
The revolutions of 1848â49 in the German states, the opening phase of which was also called the March Revolution (German: Maerzrevolution), mÃ¤rzrevolution were initially part of The revolutions of 1848 that broke out in Many european. countrieshe revolutions spread across Europe; they erupted in Austria and Germany, beginning with the large demonstrations on March 13, 1848, in Vienna. This resulted in the resignation of Prince von Metternich as chief minister to Emperor Ferdinand I of Austria, and his going into exile in Britain.
However, differences within the new government over political and economic reforms led to bloody street battles in Paris. At the end of 1848 the nephew of Napoleon I, Louis Napoleon, was elected president. The February revolution in France sparked movements for unification in several German and Italian states.Liberals in the German states proposed the formation of an elected national parliament for a united Germany.he Revolutions of 1848. Revolutions of 1848, series of violent uprisings in European countries where legal attempts at economic and political change had proven unsuccessful.