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  2. Orpiment - Wikipedia

    en.wikipedia.org/wiki/Orpiment

    Orpiment, also known as ″yellow arsenic blende″ is a deep-colored, orange-yellow arsenic sulfide mineral with formula As 2 S 3.It is found in volcanic fumaroles, low-temperature hydrothermal veins, and hot springs and may be formed through sublimation.

  3. Arsenic trisulfide - Wikipedia

    en.wikipedia.org/wiki/Arsenic_trisulfide

    Arsenic trisulfide is the inorganic compound with the formula As 2 S 3.It is a dark yellow solid that is insoluble in water. It also occurs as the mineral orpiment (Latin: auripigmentum), which has been used as a pigment called King's yellow.

  4. Arsenic blende - Wikipedia

    en.wikipedia.org/wiki/Arsenic_blende

    Arsenic blende or Arsenblende (German: Arsenblende, arsenik-blende) is a trivial name that has partially fallen out of scientific use, used by mineralogists, as well as representatives of mining and craft professions in relation to at least two similar ore minerals — orpiment and realgar, [1]: 135, 239, 438 in composition — arsenic sulfides.

  5. Arsenic sulfide - Wikipedia

    en.wikipedia.org/wiki/Arsenic_sulfide

    Arsenic trisulfide, As 2 S 3, the mineral orpiment; Arsenic pentasulfide, As 2 S 5, similar structure to phosphorus pentasulfide (β-P 2 S 5) Tetraarsenic tetrasulfide, As 4 S 4 (2 isomers): the mineral realgar; the mineral pararealgar; Tetraarsenic trisulfide, As 4 S 3, the mineral α- or β- dimorphite

  6. List of alchemical substances - Wikipedia

    en.wikipedia.org/wiki/List_of_alchemical_substances

    Gypsum – a mineral; calcium sulfate. CaSO 4; Horn silver/argentum cornu – a weathered form of chlorargyrite, an ore of silver chloride. Luna cornea – silver chloride, formed by heating horn silver till it liquefies and then cooling. King's yellow – formed by mixing orpiment with white arsenic.

  7. Realgar - Wikipedia

    en.wikipedia.org/wiki/Realgar

    Realgar (/ r i ˈ æ l ɡ ɑːr,-ɡ ər / ree-AL-gar, -⁠gər), also known as arsenic blende, ruby sulphur or ruby of arsenic, is an arsenic sulfide mineral with the chemical formula α-As 4 S 4. It is a soft, sectile mineral occurring in monoclinic crystals, or in granular, compact, or powdery form, often in association with the related ...

  8. List of inorganic pigments - Wikipedia

    en.wikipedia.org/wiki/List_of_inorganic_pigments

    Orpiment: natural monoclinic arsenic sulfide (As 2 S 3). Bismuth pigments. Primrose yellow (PY184): bismuth vanadate (BiVO 4). Cadmium pigments. Cadmium yellow (PY37): cadmium sulfide (CdS), which also occurs as the mineral greenockite. Chromium pigments. Chrome yellow or crocoite (PY34): lead chromate (PbCrO 4). Cobalt pigments

  9. Arsenopyrite - Wikipedia

    en.wikipedia.org/wiki/Arsenopyrite

    With 46% arsenic content, arsenopyrite, along with orpiment, is a principal ore of arsenic. When deposits of arsenopyrite become exposed to the atmosphere, the mineral slowly converts into iron arsenates. Arsenopyrite is generally an acid-consuming sulfide mineral, unlike iron pyrite which can lead to acid mine drainage. [citation needed]

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