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Bright golden-yellow streak color of orpiment Orpiment and Realgar on the same rock. Orpiment is a type of lemon-yellow to golden-or brownish-yellow crystal commonly found in foliated columnar or fibrous aggregates, may alternatively be botryoidal or reniform, granular or powdery, and, rarely, as prismatic crystals. [7]
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.
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.
Vermilion is not one specific hue; mercuric sulfides make a range of warm hues, from bright orange-red to a duller reddish-purple that resembles fresh liver. Differences in hue are caused by the size of the ground particles of pigment. Larger crystals produce duller and less orange hues.
A yellow pigment for glass and porcelain. 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.
Arsenopyrite crystal from the Yaogangxian Mine, Hunan, China (size: 2.7 x 2.0 x 1.7 cm) Arsenopyrite crystallizes in the monoclinic crystal system and often shows prismatic crystal or columnar forms with striations and twinning common. Arsenopyrite may be referred to in older references as orthorhombic, but it has been shown to be monoclinic ...
Orpiment As 2 S 3; Stibnite Sb 2 S 3; Pyrite FeS 2; Marcasite FeS 2; Molybdenite MoS 2; Sulfarsenides: Cobaltite (Co,Fe)AsS; Arsenopyrite FeAsS; Gersdorffite NiAsS; Sulfosalts: Pyrargyrite Ag 3 SbS 3; Proustite Ag 3 AsS 3; Tetrahedrite Cu 12 Sb 4 S 13; Tennantite Cu 12 As 4 S 13; Enargite Cu 3 AsS 4; Bournonite PbCuSbS 3; Jamesonite Pb 4 FeSb 6 ...
Red Getchellite and yellow Orpiment from the Getchell Mine, the type locality.. Getchellite is a rare sulfide of arsenic and antimony, AsSbS 3, that was discovered by B. G. Weissberg of the New Zealand Department of Scientific and Industrial Research in 1963, and approved as a new species by the International Mineralogical Association in 1965.
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