SPODUMENE  , a See also:

• LITHIUM [symbol Li, atomic weight 7•oo (0=16)]

lithium-See also:

• ALUMINIUM (symbol Al; atomic weight 27.0)

aluminium silicate belonging to the See also:

• PYROXENE

pyroxene See also:

• GROUP

group (see PYROXENE) . It was named by B . J. d'See also:

• ANDRADA, DIEGO DE PAIVA DE (1528—1575)

Andrada e Sylva, in 'boo, from Gr. a'r63sec (ash-coloured), in allusion to its 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 See also:

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

colour . Soon afterwards J . R . Ha-0y termed it tripltane, because it exhibited certain characteristics equally in three directions (Tpicbavifs, appearing three-See also:

• FOLD

fold) . Spodumene crystallizes in the See also:

• MONOCLINIC

monoclinic See also:

• SYSTEM

system, the crystals having generally a 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 and being often striated longitudinally . It has perfect prismatic cleavage, and imperfect cleavage parallel to the clinopinacoid, whilst a lamellar structure may be See also:

• DEVELOPED

developed by parting along the orthopinacoid . The hardness is 6.5 to 7, and the specific gravity about 3.16 . Though generally a dull See also:

• MINERAL

mineral, some varieties of spodumene are so brightly coloured and transparent as to be valued as See also:

• GEM (Lat. gemma, a bud,—from the root gen, meaning " to produce,"—or precious stone; in the latter sense the Greek term is > d>os)
• GEM, ARTIFICIAL

gem-stones . Such is the See also:

• EMERALD

emerald-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:

• HIDDENITE

hiddenite (q.v.) and the See also:

• LILAC

lilac-coloured See also:

• KUNZITE

kunzite (q.v.), whilst a yellow or yellowish-green spodumene found as pebbles in the See also:

• STATE
• STATE, GREAT OFFICERS OF

state of See also:

• MINAS [MINOIDES] (c. 1790-186o)

Minas Geraes, in See also:

• BRAZIL
• BRAZIL, or BRASIL

Brazil, resembles, when cut, some kinds of See also:

• CHRYSOBERYL

chrysoberyl . See also:

• COMMON

Common spodumene is used as a source of lithium in chemical pteparations .

Spodumene occurs in See also:

• GRANITE (adapted from the Ital. granite, grained; Lat. granum, grain)

granite and crystalline See also:

• SCHISTS (Gr. vxq'ecv, to split)

schists . The See also:

• ORIGINAL

original specimens came from the isle of Uto in Sodermanland, See also:

• SWEDEN
• SWEDEN [Sverige]
• SWEDEN, NORWAY AND

Sweden, but the finest examples are found in the See also:

• UNITED

United States, especially in See also:

• MASSACHUSETTS (an Indian name, originally applied to a tribe of Indians)

Massachusetts, where See also:

• GOSHEN

Goshen, See also:

• STERLING
• STERLING, ANTOINETTE (d. 1904)
• STERLING, JOHN (1806-1844)

Sterling and See also:

• CHESTER
• CHESTER, EARLS OF

Chester-See also:

• FIELD (a word common to many West German languages, cf. Ger. Feld, Dutch veld, possibly cognate with O.E. f olde, the earth, and ultimately with root of the Gr. irAaror, broad)
• FIELD, CYRUS WEST (1819-1892)
• FIELD, DAVID DUDLEY (18o5-1894)
• FIELD, EUGENE (1850-1895)
• FIELD, FREDERICK (18o1—1885)
• FIELD, HENRY MARTYN (1822-1907)
• FIELD, JOHN (1782—1837)
• FIELD, MARSHALL (183 1906)
• FIELD, NATHAN (1587—1633)
• FIELD, STEPHEN JOHNSON (1816-1899)
• FIELD, WILLIAM VENTRIS FIELD, BARON (1813-1907)

field are well-known localities . Very See also:

• FINE

fine specimens have been obtained from the See also:

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

Black Hills of S . Dakota . Some remarkable deposits containing spodumene were discovered many years ago at Branchville, See also:

• FAIRFIELD

Fairfield See also:

• COUNTY (through Norm. Fr. comae, cf. O. Fr. cunte, conk', Mod. Fr. comae, from Lat. comitatus, cf. Ital. comitato, Prov. comtat; see COUNT)

county, See also:

• CONNECTICUT

Connecticut, and the minerals which they yielded were exhaustively studied by See also:

• PROFESSOR (the Latin noun formed from the verb profiteri, to declare publicly, to acknowledge, profess)

Professor G . J . See also:

• BRUSH (from Fr. brosse, which, like the English word, means both the undergrowth of a wood and the instrument; if the word in both these meanings is ultimately the same, then the origin is from a bundle of brushwood used as a brush or broom, but this is h
• BRUSH, GEORGE DE FOREST (1855– )

Brush and E . S . See also:

• DANA, CHARLES ANDERSON (1819–'897)
• DANA, FRANCIS (1743-1811)
• DANA, JAMES DWIGHT (1813-1895)

Dana . The spodumene occurred in large quantity, in a vein of See also:

• ALBITE

albite-granite, associated with See also:

• APATITE

apatite, See also:

• GARNET
• GARNET, or GARNETT, HENRY (1555—1606)

garnet, See also:

• COLUMBITE

columbite, See also:

• PITCHBLENDE, or URANINITE

pitchblende and other See also:

• URANIUM [symbol U, atomic weight 238.5 (0=16)]

uranium minerals, together with several See also:

• SPECIES

species of See also:

• MANGANESE (symbol Mn; atomic weight, 54.93 (0=16)], a metallic chemical element. Its dioxide (pyrolusite)

manganese See also:

• PHOSPHATES

phosphates, termed eosphorite, triploidite, dickinsonite, lithiophilite, natrophilite, reddingite, fairfieldite and fillowite . The spodumene, which has normally the See also:

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

formula LiAl (SiO3)2, becomes altered at Branchville to what has been called #-spodumene, which consists really of the mineral eucryptite (LiAlSiO4) and albite . Eucryptite was named by Brush and Dana from eu (well) and spurs-Os (concealed) .

Further alteration results in the formation of cymatolite, a mineral described by C . U . Shepard in 1867, but shown to be an intimate See also:

• MECHANICAL

mechanical mixture of See also:

• MUSCOVITE

muscovite and albite . The final products of alteration of the spodumene may be muscovite, albite and See also:

• MICROCLINE

microcline . The mineral discovered in 1817 in the granite of Killiney See also:

• HILL
• HILL (0. Eng. hyll; cf. Low Ger. hull, Mid. Dutch hul, allied to Lat. celsus, high, collis, hill, &c.)
• HILL, A
• HILL, AARON (1685-175o)
• HILL, AMBROSE POWELL
• HILL, DANIEL HARVEY (1821-1889)
• HILL, DAVID BENNETT (1843–1910)
• HILL, GEORGE BIRKBECK NORMAN (1835-1903)
• HILL, JAMES J
• HILL, JOHN (c. 1716-1775)
• HILL, MATTHEW DAVENPORT (1792-1872)
• HILL, OCTAVIA (1838– )
• HILL, ROWLAND (1744–1833)
• HILL, SIR ROWLAND (1795-1879)

Hill, near See also:

• DUBLIN

Dublin, and described by T . See also:

• THOMSON, JAMES (1822-1892)
• THOMSON, JAMES (1834-1882)
• THOMSON, JAMES (r700-1748)
• THOMSON, JOHN (1778-184o)
• THOMSON, JOSEPH (1858-1895)
• THOMSON, SIR CHARLES WYVILLE (1830-1882)
• THOMSON, THOMAS (1773-1852)
• THOMSON, WILLIAM (1819-189o)

Thomson as killinite, appears to be an altered spodumene . (F . W .