• Thumbnail for Orpiment
    Orpiment, also known as ″yellow arsenic blende″ is a deep-colored, orange-yellow arsenic sulfide mineral with formula As 2S 3. It is found in volcanic...
    19 KB (1,795 words) - 02:52, 14 May 2024
  • Thumbnail for Realgar
    compact, or powdery form, often in association with the related mineral, orpiment (As2S3). It is orange-red in color, melts at 320 °C, and burns with a bluish...
    13 KB (1,104 words) - 19:18, 10 August 2024
  • Thumbnail for Arsenic blende
    ore minerals — orpiment and realgar,: 135, 239, 438  in composition — arsenic sulfides. Both of these minerals, realgar and orpiment, have been mined...
    7 KB (954 words) - 23:16, 1 May 2024
  • Thumbnail for Orange (colour)
    Pigments were also made in ancient times from a mineral known as orpiment. Orpiment was an important item of trade in the Roman Empire and was used as...
    66 KB (7,763 words) - 17:17, 13 September 2024
  • Thumbnail for Yellow
    in France has a painting of a yellow horse 17,000 years old. Ochre and orpiment pigments were used to represent gold and skin color in Egyptian tombs,...
    93 KB (10,799 words) - 13:32, 4 September 2024
  • Thumbnail for Arsenic
    'the orpiment', based on Persian zar ("gold") from the word زرنيخ zarnikh, meaning "yellow" (literally "gold-colored") and hence "(yellow) orpiment". It...
    130 KB (14,275 words) - 00:57, 11 September 2024
  • the Five Minerals to a mixture. The Five Minerals are realgar, cinnabar, orpiment, alum, and laminar malachite [五石者, 雄黃, 丹砂, 雌黃, 礬石, 曾青也]. When they have...
    49 KB (6,893 words) - 15:27, 12 July 2024
  • Thumbnail for Arsenolite
    Commonly found as small octahedra it is white, but impurities of realgar or orpiment may give it a pink or yellow hue. It can be associated with its dimorph...
    3 KB (153 words) - 18:58, 18 January 2024
  • discovered a chemical depilatory made from a mixture of lime and water and orpiment (arsenic trisulfide). "Hair Preparations", Ullmann's Encyclopedia of Industrial...
    3 KB (283 words) - 14:20, 12 September 2024
  • Thumbnail for Champagne Pool
    siliceous geothermal fluid is oversaturated with metalloid compounds such as orpiment (As2S3) and stibnite (Sb2S3), which precipitate and form orange subaqueous...
    8 KB (718 words) - 06:46, 12 April 2024
  • Thumbnail for Arsenic trisulfide
    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...
    16 KB (1,651 words) - 11:08, 24 August 2024
  • Thumbnail for Arsenopyrite
    and arsenic vapor. With 46% arsenic content, arsenopyrite, along with orpiment, is a principal ore of arsenic. When deposits of arsenopyrite become exposed...
    6 KB (479 words) - 13:09, 9 August 2024
  • Thumbnail for Pnictogen
    Greek Theophrastus recognized the arsenic minerals called realgar and orpiment. Elemental arsenic was discovered in the 13th century by Albertus Magnus...
    34 KB (4,044 words) - 17:51, 11 September 2024
  • Thumbnail for Color
    English). Some colors are objectively unusual or special. For example "orpiment" was a pigment used by painters in the 16th century, but is now considered...
    60 KB (7,170 words) - 17:59, 9 September 2024
  • Thumbnail for Rembrandt
    lake, azurite, ultramarine, yellow lake and lead-tin-yellow. Synthetic orpiment was shown in the shadows of the sleeve of the jewish groom. This toxic...
    105 KB (10,822 words) - 17:05, 9 September 2024
  • Arsenic sulfide may refer to: Arsenic trisulfide, As2S3, the mineral orpiment Arsenic pentasulfide, As2S5, similar structure to phosphorus pentasulfide...
    792 bytes (75 words) - 03:25, 1 October 2023
  • Thumbnail for Stibnite
    Stibnite occurs in hydrothermal deposits and is associated with realgar, orpiment, cinnabar, galena, pyrite, marcasite, arsenopyrite, cervantite, stibiconite...
    11 KB (1,011 words) - 01:13, 8 September 2024
  • Thumbnail for Hair removal
    paste consisted of an admixture of slaked lime, water, wood-ash and yellow orpiment (arsenic trisulfide); In rural India and Iran, where this mixture is called...
    50 KB (6,077 words) - 21:46, 27 August 2024
  • Omphacite Oneillite Oosterboschite Oppenheimerite Ordóñezite Oregonite Orpiment Orthoclase Osarizawaite Osmium Osumilite Otavite Ottrelite Otwayite Varieties...
    42 KB (2,782 words) - 11:49, 1 September 2024
  • Thumbnail for Shades of yellow
    Paul A Dictionary of Color New York:1930 McGraw-Hill Page 201 (See under Orpiment [a synonym of the color name Royal Yellow] ); color sample of Royal Yellow:...
    19 KB (1,392 words) - 13:28, 31 August 2024
  • Thumbnail for Illuminated manuscript
    including: Ochre, an earth pigment that occurs as the mineral limonite; and Orpiment, chemically arsenic trisulfide, As2S3. Green Verdigris, chemically cupric...
    44 KB (4,765 words) - 20:58, 2 September 2024
  • Thumbnail for Titian
    yellow, ochres, and azurite, he also used the rare pigments realgar and orpiment. Titian's wife, Cecilia, was a barber's daughter from his hometown village...
    55 KB (6,551 words) - 14:44, 12 September 2024
  • silver till it liquefies and then cooling. King's yellow – formed by mixing orpiment with white arsenic. Lapis solaris (Bologna stone) – barium sulfide – 1603...
    14 KB (1,523 words) - 00:04, 15 July 2024
  • Thumbnail for Tempera
    pigments used by medieval painters, such as cinnabar (contains mercury), orpiment (contains arsenic), or lead white (contains lead) are highly toxic. Most...
    18 KB (2,157 words) - 11:33, 8 September 2024
  • Thumbnail for Nonmetal
    substances like salts, atramenta (iron sulfate), alums, vitriol, arsenic, orpiment, sulfur, and similar substances that were not metallic bodies. The term...
    187 KB (16,958 words) - 17:35, 6 September 2024
  • Thumbnail for History of gunpowder
    used saltpeter in processing the "four yellow drugs" (sulfur, realgar, orpiment, arsenic trisulfide). The first confirmed reference to what can be considered...
    157 KB (21,542 words) - 22:32, 7 September 2024
  • Orl Otjisumeite Otj Oxynatromicrolite Onmic Offretite Off Omeiite Ome Orpiment Orp Ottemannite Ott Oxyphlogopite Ophl Oftedalite Oft Ominelite Omi Orschallite...
    180 KB (418 words) - 05:15, 30 June 2024
  • Thumbnail for Sulfide mineral
    Millerite NiS Pentlandite (Fe,Ni)9S8 Covellite CuS Cinnabar HgS Realgar AsS Orpiment As2S3 Stibnite Sb2S3 Pyrite FeS2 Marcasite FeS2 Molybdenite MoS2 Sulfarsenides:...
    14 KB (1,533 words) - 07:03, 20 May 2024
  • Thumbnail for Reverse glass painting
    Orpiment Cinnabar Lead white Iron oxide earths Azurite Malachite Ultramarine blue Calm shell white Lead red Natural dyes...
    17 KB (1,919 words) - 09:38, 27 August 2024
  • Thumbnail for Book of Kells
    it is a Mediterranean text and the pigments used in making it include orpiment, a yellow made from arsenic sulphide, exported from Italy, where it is...
    67 KB (8,833 words) - 15:13, 8 August 2024