Kaolin and muscovite are formed principally after felspar (and the felspars are the commonest minerals of all crystalline rocks); also from nepheline, leucite, scapolite and a variety of other rock-forming minerals.
During the earlier part of the 1 th P g P 5 century the Lithuanian princes had successfully contested Muscovite influence even in Pskov and Great Novgorod.
Incredible as it may seem, the expedition to place the false Demetrius on the Muscovite throne was a private speculation of a few Lithuanian magnates, and similar enterprises on the part of other irresponsible noblemen on the Danube or Dniester brought upon unhappy Poland retaliatory Tatar raids, which reduced whole provinces to ashes.
Peter, by his first marriage, had a son, the unhappy cesarevich Alexius (q.v.), who figures more largely in imaginative literature than in history - a narrow-minded, obstinate, pious youth, who had no sympathy with his father's violent innovations, and was completely under the influence of the old Muscovite reactionary faction.
Thus, for want of funds, Alexander was unable to assist the Grand Master of the Order of the Sword against Muscovite aggression, or prevent Tsar Ivan III.
As a writer he made a name by an important history of his Muscovite campaigns.
A disastrous war with Ivan III., the first Muscovite tsar, speedily convinced the Lithuanians that they were not strong enough to stand alone, and in 1499 they voluntarily renewed the union.
At first the Muscovite was decidedly the aggressor.
The interminable war was interrupted, indeed, by brief truces whenever Polish valour proved superior to Muscovite persistence, as for instance after the great victory of Orsza (Sept.
From his early youth he gave promise of great military talent, and served his apprenticeship in the science of war under Zolkiewski in the Muscovite campaigns of 1610-1612, and under Chodkiewicz in 1617-1618.