COBALTITE  , a See also:

• MINERAL

mineral with the See also:

• COMPOSITION
• COMPOSITION (Lat. compositio, from componere, to put together)

composition CoAsS, See also:

• COBALT (symbol Co, atomic weight 59)

cobalt sulpharsenide . It is found as granular to compact masses, and frequently as beautifully See also:

• DEVELOPED

developed crystals, which have the same symmetry as the isomorphous mineral See also:

• PYRITES

pyrites, being cubic with parallel hemihedrism . The usual forms are the See also:

• CUBE (Gr. K46os, a cube)

cube, See also:

• OCTAHEDRON (Gr. 6K-rw, eight, Mpa, base)

octahedron and pentagonal See also:

• DODECAHEDRON (Gr. Melia, twelve, and ESpa, a face or base)

dodecahedron {210} . The See also:

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

colour is See also:

• SILVER

silver-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 with a reddish tinge, and the lustre brilliant and metallic, hence the old name cobalt-glance; the streak is greyish-See also:

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

black . The mineral is brittle, and possesses distinct cleavages parallel to the faces of the cube; hardness 51; specific gravity 6.2 . The brilliant crystals from Tunaberg in Sodermanland and Hakansboda in Vestmanland, See also:

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

Sweden, and from Skutterud near See also:

• DRAMMEN

Drammen in See also:

• NORWAY
• NORWAY (Norge)

Norway are well known in mineral collections . The cobalt ores at these localities occur with pyrites and chalcopyrite as bands in See also:

• GNEISS

gneiss . Crystals have also been found at Khetri in See also:

• RAJPUTANA

Rajputana, and under the name sehta the mineral is used by See also:

• INDIAN

Indian jewellers for producing a See also:

• BLUE (common in different forms to most European languages)

blue See also:

• ENAMEL (formerly " amel," derived through the Fr. amail, emmll, esmail, from a Latin word smaltum, first found in a 9th-century life of Leo IV.)

enamel on See also:

• GOLD
• GOLD [symbol Au, atomic weight 195.7(H = 1),197.2(0 =16)]

gold and silver ornaments . Massive cobaltite has been found in small amount in the Botallack mine, See also:

• CORNWALL

Cornwall . A variety containing much See also:

• IRON [symbol Fe, atomic weight 55.85 (0=16)]

iron replacing cobalt, and known as ferrocobaltite (Ger . Stahlkobalt), occurs at See also:

• SIEGEN

Siegen in See also:

• WESTPHALIA (Ger. Westfalen)
• WESTPHALIA, TREATY OF

Westphalia . (L .

J .