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ARSENIC SULPHIDE [4 records]

Record 1 2013-10-16

English

Subject field(s)
  • Mineralogy
Universal entry(ies)
DEF

A bright-red to orange-red monoclinic mineral [which] occurs as nodules in ore veins and as a massive or granular deposit from some hot springs, and ... is frequently associated with orpiment.

OBS

In mineralogy, sandarac, or sandarach, may refer to realgar or native arsenic disulphide, but is generally ... a resin obtained from the small coniferous tree Tetraclinis articulata ...

OBS

... used as a pigment and in pyrotechnics.

French

Domaine(s)
  • Minéralogie
Entrée(s) universelle(s)
DEF

Minéral (sulfure) du système cristallin monoclinique, dimorphe avec le pararéalgar [...], de couleur rouge orangé et se [présentant] en cristaux prismatiques ou aciculaires à cassure résineuse.

CONT

Les principaux minerais d'arsenic sont le réalgar AsS (arsenic rouge) et l'orpiment As2S3 (arsenic jaune); [...]

Spanish

Campo(s) temático(s)
  • Mineralogía
Entrada(s) universal(es)
CONT

Rejalgar [...] cristaliza en el sistema monoclínico; se encuentra en forma de prismas de color rojo vivo, con frecuencia en los mismos filones que el oropimente, y se beneficia como mena del arsénico.

Save record 1

Record 2 2011-08-24

English

Subject field(s)
  • Chemical Elements and Compounds
Universal entry(ies)
As2S3
formula, see observation
1303-33-9
CAS number
DEF

A chemical product in the form of yellow crystals or of a powder which changes to a red form at 170°C, is insoluble in water and hydrochloric acid.

OBS

Occurs in nature as the mineral orpiment.

OBS

arsenic trisulfide: ambiguous name.

OBS

Used as a pigment, a reducing agent, in pyrotechnics, in glass used for infrared lenses, semi conductors, and for hair removal from hides.

OBS

Chemical formula: As2S3

French

Domaine(s)
  • Éléments et composés chimiques
Entrée(s) universelle(s)
As2S3
formula, see observation
1303-33-9
CAS number
OBS

Existe à l'état naturel sous le nom d'orpiment.

OBS

trisulfure d'arsenic : nom ambigu.

OBS

Formule chimique : As2S3

Spanish

Campo(s) temático(s)
  • Elementos y compuestos químicos
Entrada(s) universal(es)
As2S3
formula, see observation
1303-33-9
CAS number
OBS

Polvo o cristales de color amarillo, insoluble en agua y ácido clorhídrico, soluble en soluciones alcalinas de sulfuro y ácido nítrico. Muy tóxico.

OBS

Fórmula química: As2S3

Save record 2

Record 3 2011-04-26

English

Subject field(s)
  • Chemical Elements and Compounds
Universal entry(ies)
DEF

A chemical product in the form of an orange, red, or black compound having the chemical formula AsSn which occurs in nature as realgar, which is also prepared artificially, and which was formerly used as a pigment and is now used in fireworks.

OBS

The three expressions "arsenic sulfide," "arsenic monosulfide" and "arsenic disulfide" are often given as synonyms but are different compounds. "Arsenic sulfide," to which corresponds the formula AsS, is a generic: it can designate either the disulfide (AsS2) or the monosulfide. The French equivalents are, in order, "sulfure d'arsenic," "monosulfure d'arsenic" (not used) and "disulfure d'arsenic." These three sulfides represent the three forms under which the "red arsenic" can be found, which is why the three expressions are given as synonyms in the dictionaries.

French

Domaine(s)
  • Éléments et composés chimiques
Entrée(s) universelle(s)

Spanish

Campo(s) temático(s)
  • Elementos y compuestos químicos
Entrada(s) universal(es)
Save record 3

Record 4 2011-04-21

English

Subject field(s)
  • Mineralogy
Universal entry(ies)
As2S3
formula, see observation
DEF

A lemon-yellow, orange, or orange brownish monoclinic mineral which consists of a native, poorly formed arsenic sulfide.

CONT

Orpiment is a rare mineral that usually forms with realgar. In fact the two minerals are almost always together. ... The yellow color is special to orpiment and can be confused only with a few other minerals.

OBS

Orpiment is derived from the latin "auripigmentum," or golden pigment.

OBS

Chemical formula: As2S3

French

Domaine(s)
  • Minéralogie
Entrée(s) universelle(s)
As2S3
formula, see observation
DEF

Minéral (sulfure d'arsenic (61 % As] du système cristallin monoclinique, jaune or ou jaune citron, se présentant en concrétions assez volumineuses d'aspect résineux et dont les cristaux sont difficiles à déceler.

CONT

L'orpiment appartient à la classe des sulfures, il est composé de soufre (39 %) et d'arsenic (61 %). Il cristallise dans le système monoclinique et se présente en cristaux tabulaires ou prismatiques allongés qui atteignent parfois des dimensions remarquables (5 cm de longueur). [...] L'orpiment a une belle couleur jaune doré, tendant au jaune orangé dans les cristaux. [...] Il est souvent associé à la stibine, au réalgar, au cinabre, à l'arsenic natif, à la calcite, à la barytine et au gypse.

OBS

Formule chimique : As2S3

Spanish

Campo(s) temático(s)
  • Mineralogía
Entrada(s) universal(es)
As2S3
formula, see observation
OBS

Mineral compuesto de arsénico y azufre, de color de limón, textura laminar y fibrosa y brillo craso nacarado. Venenoso.

OBS

Fórmula química: As2S3

Save record 4

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