OLIVENITE  , a See also:

• MINERAL

mineral consisting of basic See also:

• COPPER (symbol Cu, atomic weight 63.1, H=1, or 63.6, O = 16)

copper arsenate with the See also:

• FORMULA
• FORMULA (Lat. diminutive of forma, shape, pattern, &c., especially used of rules of judicial procedure)

formula Cu2(OH)AsO4• It crystallizes in the ortho- rhombic See also:

• SYSTEM

system, and is sometimes found in small brilliant crystals of See also:

• SIMPLE

simple prismatic See also:

• HABIT (through the French from Lat. habitus, from habere, to have, hold, or, in a reflective sense, to be in a certain condition; in many of the English senses the French use habitude, not habit)

habit terminated by domal faces . More usually, however, it occurs as globular aggregates of acicular crystals, these fibrous forms often having a velvety lustre: sometimes it is lamellar in structure, or soft and earthy . A characteristic feature, and one to which the name alludes (See also:

• GERMAN
• GERMAN, DUTCH AND SCANDINAVIAN

German, Olivenerz, of A . G . See also:

• WERNER, ABRAHAM GOTTLOB (1750-1817)
• WERNER, ANTON ALEXANDER VON (1843– )
• WERNER, FRIEDRICH LUDWIG ZACHARIAS (1768–1823)

Werner, 1789), is the See also:

• OLIVE (Olea europaea)

olive-See also:

• GREEN, A
• GREEN, ALEXANDER HENRY (1832—1896)
• GREEN, DUFF (1791—1875)
• GREEN, JOHN RICHARD (1837—1883)
• GREEN, MATTHEW (1696-1737)
• GREEN, THOMAS HILL (1836-1882)
• GREEN, VALENTINE (1739–1813)
• GREEN, WILLIAM HENRY (.1825–1900)

green See also:

• COLOUR (Lat. color, connected with celare, to hide, the root meaning, therefore, being that of a covering)

colour, which varies in shade from blackish-green in the crystals to almost See also:

• WHITE
• WHITE, ANDREW DICKSON (1832– )
• WHITE, GILBERT (1720–1793)
• WHITE, HENRY KIRKE (1785-1806)
• WHITE, HUGH LAWSON (1773-1840)
• WHITE, JOSEPH BLANCO (1775-1841)
• WHITE, RICHARD GRANT (1822-1885)
• WHITE, ROBERT (1645-1704)
• WHITE, SIR GEORGE STUART (1835– )
• WHITE, SIR THOMAS (1492-1567)
• WHITE, SIR WILLIAM ARTHUR (1824--1891)
• WHITE, SIR WILLIAM HENRY (1845– )
• WHITE, THOMAS (1628-1698)
• WHITE, THOMAS (c. 1550-1624)

white in the finely fibrous variety known as " See also:

• WOOD, ANTHONY A2 (1632-1695)
• WOOD, JOHN GEORGE (1827—1889)
• WOOD, MRS HENRY [ELLEN] (1814—1887)
• WOOD, SEARLES VALENTINE (1798—188o)

wood-copper." The hardness is 3, and the sp. gr . 4'3 . The mineral was formerly found in some abundance, associated with See also:

• LIMONITE, or BROWN IRON ORE

limonite and See also:

• QUARTZ

quartz, in the upper workings in the copper mines of the St See also:

• DAY (O. Eng. dreg, Ger. Tag; according to the New English Dictionary, " in no way related to the Lat. dies")
• DAY, JOHN (1574-1640?)
• DAY, THOMAS (1748-1789)

Day See also:

• DISTRICT

district in See also:

• CORNWALL

Cornwall; also near See also:

• REDRUTH

Redruth, and in the Tintic district in See also:

• UTAH

Utah . It is a mineral of secondary origin, having been formed by the alteration of copper ores and See also:

• MISPICKEL

mispickel . The See also:

• ARSENIC (symbol As, atomic weight 75.0)

arsenic of olivenite is sometimes partly replaced by a small amount of See also:

• PHOSPHORUS (Gr. 4ws, light, sPEpety, to bear)

phosphorus, and in the See also:

• SPECIES

species libethenite we have the corresponding basic copper phosphate Cu2(OH)PO4 . This is found as small dark green crystals resembling olivenite at Libethen in See also:

• HUNGARY
• HUNGARY (Hungarian Magyarorszdg)

Hungary, and in small amount also in Cornwall . Other members of this isomorphous See also:

• GROUP

group of minerals are adamite, Zn2(OH)AsO4, and descloiz?te (q.v.) . (L .

J .