WAVELLITE  , a See also:

• MINERAL

mineral consisting of hydrated See also:

• ALUMINIUM (symbol Al; atomic weight 27.0)

aluminium phosphate, A13(OH)3(PO4)2 + 4aH2O, crystallizing in the orthorhombic See also:

• SYSTEM

system . Distinct crystals are of rare occurrence, the mineral usually taking the See also:

• FORM (Lat. forma)

form of hemispherical or globular aggregates with an See also:

• INTERNAL

internal radiated structure . It is translucent and varies in See also:

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

colour from See also:

• GREY, CHARLES GREY, 2ND EARL (1764-1845)
• GREY, HENRY GREY, 3RD EARL (1802-1894)
• GREY, LADY JANE (1537-1554)
• GREY, SIR EDWARD
• GREY, SIR GEORGE (1812–1898)

grey or 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 to greenish, yellowish, &c . The hardness is 31f and the specific gravity 2.32 . It was first found, at the end of the 18th See also:

• CENTURY (from Lat. centuria, a division of a hundred men)

century, by Dr W . Wavell near See also:

• BARNSTAPLE

Barnstaple in See also:

• DEVONSHIRE (DEvoN)
• DEVONSHIRE, EARLS AND DUKES OF

Devonshire, where it lines crevices in a See also:

• BLACK
• BLACK, ADAM (1784-1874)
• BLACK, JEREMIAH SULLIVAN (1810–1883)
• BLACK, WILLIAM (1841-1898)

black slaty See also:

• ROCK
• ROCK (O.Fr. rake, Sp. rota, Ital. rocca; possibly from a Lat. form rupica, from rupes, rock)
• ROCK, DANIEL (1799–187t)

rock . It has also been found in See also:

• IRELAND
• IRELAND, CHURCH
• IRELAND, CHURCH OF
• IRELAND, JOHN (1761-1842)
• IRELAND, JOHN (1838- )
• IRELAND, WILLIAM HENRY (1777-1835)

Ireland (See also:

• TIPPERARY

Tipperary and See also:

• CORK
• CORK (perhaps through Sp. corcha from Lat. cortex, bark, but possibly connected with quercus, oak)
• CORK, RICHARD BOYLE

Cork), See also:

• ARKANSAS

Arkansas, &c . (L . J .