Dictionary of Spanish Mining Terms - 1ORO1.COM

SPANISH MINING TERMS Nit
(6) negrillos, Huelva, Sp. ores rich in copper, and which are exported
(R. Oriol) ; (7) Span. Am. ore of cupriferous silver of very dark colour
(Acad.).
NEGRO, GRA, adj. black "
; metal negro, Mex. blende, see blenda ;
piedra negra, Venez. greenish grey felstone ; plata negra, argentite,
see u. plata (2) ; plata negra prismatica, stephanite, see u. plata (2).
NEGRO, (1) Peru and Chile, caliche (1), of a dark colour and close
texture ; (2) Guadalcazar, S. L. Potosi, Mex. hepatic cinnabar of a
lead-grey colour, compact, and of a slatey texture (A. del M. de F.),
see mercuric (2) ; (3) Mex. very rich tetrahedrite, see abronzado (2) ;
(4) negro-negro, Col. black micaceous schist silver veins in this kind
of " country " are decomposed and sterilised (Uribe) ; Tolima, Col.
negro = aluminous schist (Gamba) ; (5) negros, Mex. sulphuretted
ores of silver, syn. metales de patio, Chile, prietos, see plata (2), comp.
cenizo-negro, colorados ; (6) negros, Fresnillo, Mex. iron pyrites
containing very finely disseminated native silver and argentite
(Burkart), see plata (2), comp. azulaque (4), colorados ; (7) Charcas,
S. L. Potosi, Mex. antimonial grey copper ore, blende and galena,
mixed with copper and arsenical iron pyrites, most of the silver
occurring in the first two (Dr. Percy), see plata (2).
NEME, Ant. Col. oxide of manganese, see canturron, manganese (2).
NERVADURA DE MINERAL, leader, see vetilla (1 ).
NERVIO (nerve), (1) longitudinal rib or strengthening-piece of a cylinder ;
nervios, strengthening-pieces of cast-iron tubbing, etc. ; (2) parting
in a seam of coal, etc., equiv. Fr. nerf, see caballo (4).
NETO, TA, adj. peso neto, net weight ; producto neto, net produce.
NICLE, a var. of chalcedony (calcedonia) with some stripes darker than
others, see cuarzo.
NIDADA, n. de oro (lit. nestful of gold), nest, see nido.
NIDO, nest (of ore, etc.), syn. nidada, comp. bolsa (1), bolsada (3), nodulo
(1), rinon (1).
NIEGAS, Cartagena, Sp. miners' name for the sterile deposit (Moncada).
parts (esteril) of a
NINO, NA, adj. oro nino, Ant. Col. float gold, sijn. oro de espuma.
NIPA, Phil, kind of palm-tree ; from the leaves are made mats and
thatches for roofs (Velazquez).
NIQUEL, (1) nickel ; n. bronce, nickel-bronze ; (2) ore of nickel ; n.
arsenical, niccolite [NiAs] syn. niquelina, see u. ocre.
NIQUELINA, niccolite, see niquel (2).
NISPERA, Nicarag. a timber-tree, Achras sapota, syn. zapote.
NISPERO, Panama, a hard red-wood of great durability.
NITRAL nitre-bed or deposit.
NITRERIA, saltpetre -works.
NITRO, (1) nitre or saltpetre, syn. nitro potasico, salitre ; (2) nitrate
of sodium, nitrate, see caliche (1).
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