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 (1,799 words) - 19:23, 29 April 2024 |
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 |
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 (7,796 words) - 17:35, 28 April 2024 |
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 (10,804 words) - 09:32, 1 May 2024 |
'the orpiment', based on Persian zar ("gold") from the word زرنيخ zarnikh, meaning "yellow" (literally "gold-colored") and hence "(yellow) orpiment". It... 133 KB (14,394 words) - 10:37, 4 May 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) - 17:16, 23 January 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) - 08:41, 10 August 2023 |
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... 15 KB (1,627 words) - 21:45, 22 April 2024 |
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 (10,831 words) - 23:27, 30 April 2024 |
Greek Theophrastus recognized the arsenic minerals called realgar and orpiment. Elemental arsenic was discovered in the 13th century by Albertus Magnus... 34 KB (4,008 words) - 21:30, 28 April 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) - 11:10, 26 December 2023 |
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 (488 words) - 01:14, 10 April 2024 |
Omphacite Oneillite Oosterboschite Oppenheimerite Ordóñezite Oregonite Orpiment Orthoclase Osarizawaite Osmium Osumilite Otavite Ottrelite Otwayite Varieties... 41 KB (2,720 words) - 19:37, 2 May 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 |
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 (6,572 words) - 04:16, 1 May 2024 |
Orl Otjisumeite Otj Oxynatromicrolite Onmic Offretite Off Omeiite Ome Orpiment Orp Ottemannite Ott Oxyphlogopite Ophl Oftedalite Oft Ominelite Omi Orschallite... 180 KB (401 words) - 19:36, 31 March 2024 |
credit Vannoccio Biringuccio, whose De la pirotechnia (1540) distinguishes orpiment from crystalline arsenic. The first to unquestionably have prepared metallic... 131 KB (4,821 words) - 19:14, 4 May 2024 |
pigments used by medieval painters, such as cinnabar (contains mercury), orpiment (contains arsenic), or lead white (contains lead) are highly toxic. Most... 17 KB (2,087 words) - 03:09, 7 April 2024 |
yellow ochre extensively in tomb painting, though occasionally they used orpiment, which made a brilliant colour, but was highly toxic, since it was made... 35 KB (4,341 words) - 07:28, 2 April 2024 |
substances like salts, atramenta (iron sulfate), alums, vitriol, arsenic, orpiment, sulfur, and similar substances that were not metallic bodies. The term... 201 KB (18,820 words) - 05:30, 4 May 2024 |
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) - 12:29, 8 April 2024 |