ps. Hardness 2-1/2-3;
specific gravity 4.36. The mineral was formerly found with other copper
arsenates in the mines of the St Day district of Cornwall. It has also
been found near Tavistock in Devonshire, near Sayda (or Saida) in
Saxony, and in the Tintic district of Utah. It is a mineral of secondary
origin, having resulted by the decomposition of copper ores and
mispickel in the upper part of mineral veins. The corresponding basic
copper phosphate, (CuOH)3PO4, is the mineral pseudomalachite, which
occurs as green botryoidal masses resembling malachite in appearance.

CLINTON, DE WITT (1769-1828), American political leader, was born on the
2nd of March 1769 at Little Britain, Orange county, New York. His
father, James Clinton (1736-1812), served as a captain of provincial
troops in the French and Indian War, and as a brigadier-general in the
American army in the War of Independence, taking part in Montgomery's
attack upon Quebec in 1775, unsuccessfully resisting at Fort Montgomery,
along the Hudson, in 1777 the advance of Sir Henry Clinton, accompanying
General John Sullivan in 1779 in his expedition against the Iroquois in
western New York, and in 1781 taking part in the siege of Yorktown,
Virginia. De Witt Clinton graduated at Columbia College in 1786, and in
1790 was admitted to the bar. From 1790 to 1795 he was the private
secretary of his uncle, George Clinton, governor of New York and a
leader of the Republican party. He was a member of the New York assembly
from January to April 1798, and in August of that year entered the state
senate, serving until April 1802. He at once became a dominant factor in
New York politics, and for the next quarter of a century he played a
leading role in the history of the commonwealth. From 1801 to 1802 and
from 1806 to 1807 he was a member of the Council of Appointment, and
realizing the power this body possessed through its influence over the
selection of a vast number of state, county and municipal officers, he
secured in 1801, while his uncle was governor, the removal of a number
of Federalist office-holders, in order to strengthen the Republican
organization by new appointments. On this account Clinton has generally
been regarded as the originator of the "spoils system" in New York; but
he was really opposed to the wholesale proscription of opponents that
became such a feature of American politics in later years. It was his
plan to fill the more important offices with Re