As believed in Su's day, the " five poisons " used by Zhou era physicians for this purpose were thought to be cinnabar, realgar, chalcanthite, alum, and magnetite.
32.
The As-As bonds are 30 % weaker than the As-S bonds and certain wavelengths of lights interact with the crystal structure of realgar, breaking the weaker bonds between arsenic atoms.
33.
It occurs associated with pyrite, sphalerite, wurtzite, galena, stibnite, orpiment, realgar, enargite, tetrahedrite, zinkenite, jordanite, bournonite, sterryite, boulangerite, jamesonite and sartorite at Madoc.
34.
Both orpiment and realgar, as well as As 4 S 3, have selenium analogs; although arsenic tellurides are not known, the anion As 2 Te " is known as a ligand in cobalt complexes.
35.
AD 24 ? ), a Greek geographer and historian, wrote that only slaves were employed in realgar and orpiment mines since they would inevitably die from the toxic effects of the fumes given off from the ores.
36.
Well-known examples include cassia wine ( flavored with sweet osmanthus blossoms and consumed during the Mid-Autumn Festival ) and realgar wine ( dosed with an arsenic sulfide and consumed during the Dragon Boat Festival ).
37.
After Tao had learned the secret art of making elixirs, he was worried about the shortage of materials . " So the emperor supplied him with gold, cinnabar, copper sulphate, realgar, and so forth.
38.
"Some have heated together sulfur, realgar and saltpeter with honey; smoke and flames result, so that their hands and faces have been burnt, and even the whole house where they were working burned down ."
39.
Schipper ( 1993 : 180 ) summarizes Wagner's recipe as " stalactite milk and quartz, along with some realgar and orpiment, as well as a mixture of circulation-increasing medicinal plants like ginseng and ginger ."
40.
CSё���e ( Supplement to the Thousand Golden Remedies ) categorically states that mercury, realgar, orpiment, sulphur, gold, silver, and vitriol are poisonous, but prescribed them in much larger amounts for elixirs than for medicines.