MISPICKEL  , a See also:

• MINERAL

mineral consisting of See also:

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

iron sulpharsenide, FeAsS; it contains 46% of See also:

• ARSENIC (symbol As, atomic weight 75.0)

arsenic, and is of importance as anore of this See also:

• ELEMENT (Lat. elementum)

element . It is known also as arsenopyrite or arsenical See also:

• PYRITES

pyrites (Ger . Arsenikkies) : mispickel is an old name of See also:

• GERMAN
• GERMAN, DUTCH AND SCANDINAVIAN

German origin, and in the See also:

• FORM (Lat. forma)

form Mistpuckel was used by G . See also:

• AGRICOLA (originally SCHNEIDER, then SCHNITTER), JOHANNES (1494-1566)
• AGRICOLA (the Latinized form of the name BAUER), GEORG (1490-1555)
• AGRICOLA, CHRISTOPH LUDWIG (1667-1719)
• AGRICOLA, GNAEUS JULIUS (A.D. 37-93)
• AGRICOLA, JOHANN FRIEDRICH (1720-1774)
• AGRICOLA, MARTIN (c. 1500-1556)
• AGRICOLA, RODOLPHUS (properly ROELOF HUYSMANN) (1443-1485)

Agricola in 1546 . The crystals are orthorhombic, with angles similar to those of See also:

• MARCASITE

marcasite; they are often prismatic in 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 the See also:

• PRISM (Gr. rrpivµa, properly a thing sawn, Irpii"ety, to saw)

prism M is usually terminated by the deeply striated faces of an obtuse See also:

• DOME (Lat domus, house; Ital. duomo, cathedral)

dome r . Twinning is not uncommon, the twin- planes . M (no) and g (1o1) being the same as in marcasite . The See also:

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

colour of the mineral 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 or See also:

• STEEL, FLORA ANNIE (1847– )

steel-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, with a metallic lustre, but it is often tarnished yellow; the streak is greyish-See also:

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

black . The hardness is 51-6, and the specific gravity 5.9–6.2 . Mispickel occurs in metalliferous See also:

• VEINS

veins with ores of See also:

• TIN (Lat.- stannum, whence the chemical symbol " Sn "; atomic weight =117.6, 0=16)

tin, See also:

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

copper, silver, &c . It is occasionally found as embedded crystals, for example, in See also:

• SERPENTINE

serpentine at Reichenstein, See also:

• SILESIA

Silesia . In See also:

• CORNWALL

Cornwall and See also:

• DEVON, EARLS OF

Devon it is associated with cassiterite in the tin-lodes, but is also found in the copper-lodes: well crystallized specimens have been obtained from the neighbourhood of See also:

• TAVISTOCK

Tavistock, See also:

• REDRUTH

Redruth and St See also:

• AGNES, SAINT

Agnes .

Mispickel is the See also:

• PRINCIPAL

principal source of arsenious See also:

• OXIDE

oxide or the " white arsenic " of See also:

• COMMERCE
• COMMERCE (Lat. commercium, from, cum, together, and rnerx, merchandise)

commerce (see ARSENIC) . The See also:

• CHIEF (from Fr. chef, head, Lat. caput)

chief supplies are from Cornwall and Devon, and See also:

• FREIBERG, or FREYBERG

Freiberg in See also:

• SAXONY
• SAXONY (Ger. Provinz Sachsen)

Saxony, and from See also:

• CANADA

Canada and the See also:

• UNITED

United States . Danaite is a cobaltiferous variety of mispickel, containing up to 9% of See also:

• COBALT (symbol Co, atomic weight 59)

cobalt replacing iron; it was first noticed by J . F . See also:

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

Dana in 1824 at See also:

• FRANCONIA (Ger. Franken)

Franconia in New See also:

• HAMPSHIRE (or COUNTY OF SOUTHAMPTON, abbreviated HANTS)

Hampshire . This variety forms a passage to the See also:

• SPECIES

species glaucodote, (Co,Fe)See also:

• ASS (O.E. assa; Lat. asinus)
• ASS, FEAST OF THE

AsS, which is found as well-See also:

• DEVELOPED

developed orthorhombic crystals in copper ore at Hakansboda in Ramberg See also:

• PARISH (Gr. irapouda, district, neighbourhood; 7r&poucos, one dwelling near or beside, from crap&, OtKOS, house; Lat. paroecur, Late Lat. parochia; cf. Fr. paroisse)

parish, Vestmanland, See also:

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

Sweden . Other species belonging to this isomorphous See also:

• GROUP

group of orthorhombic minerals are marcasite (FeS2), lollingite (FeAs2), safflorite (CoAs2) and rammelsbergite (NiAs2) . (L . J .