See also:

• GADOLINIUM (symbol Gd., atomic weight 157.3)

GADOLINIUM (See also:

• SYMBOL (Gr. o-uµ(3oXov, a sign)

symbol Gd., atomic See also:

• WEIGHT

weight 157.3)  , one of the rare See also:

• EARTH
• EARTH (a word common to Teutonic languages, cf. Ger. Erde, Dutch aarde, Swed. and Dan. jord; outside Teutonic it appears only in the Gr. 'pq'e, on the ground; it has been connected by some etymologists with the Aryan root ar-, to plough, which is seen in
• EARTH, FIGURE OF
• EARTH, FIGURE OF THE

earth metals (see See also:

• ERBIUM (symbol, Er; atomic weight, 165-166)

ERBIUM) . The See also:

• ELEMENT (Lat. elementum)

element was discovered in 188o in the See also:

• MINERAL

mineral samarskite by C . See also:

• MARIGNAC, JEAN CHARLES GALISSARD DE (1817-1894)

Marignac (Comptes rendus, ,88o, 9o, p . 899; See also:

• ANN

Ann. chim. phys., 188o [s] 20, p . 535) . G . Urbain (Comptes rendus, 1905, 140, p . 583) separates the See also:

• METAL
• METAL (through Fr. from Lat. metallum, mine, quarry, adapted from Gr. µATaXAov, in the same sense, probably connected with ,ueraAAdv, to search after, explore, µeTa, after, aAAos, other)

metal by crystallizing the See also:

• DOUBLE
• DOUBLE (from the Mid. Eng. duble, the form which gives the present pronunciation, through the Old Er. duble, from Lat. duplus, twice as much)

double nitrate of See also:

• NICKEL
• NICKEL (symbol Ni, atomic weight 58.68 (0=16))

nickel and See also:

• GADOLINIUM (symbol Gd., atomic weight 157.3)

gadolinium . The salts show absorption bands in the ultra-See also:

• VIOLET

violet . The See also:

• OXIDE

oxide Gd203 is colourless (Lecoq de Boisbaudran) .