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.
The revolutions were essentially democratic in nature with the aim of removing the old feudal structures and the creation of independent national states. The revolutionary wave began in France in February, and immediately spread to most of Europe and parts of Latin America.he most serious threat of the 1848 revolutions in Belgium was posed by Belgian emigre Ã©migrÃ©. Groups shortly after the revolution In, France belgian migrant workers living In paris were encouraged to return To belgium to overthrow the monarchy and establish a. republic