Even the arsenic mine at Shimen, Hunan Province, is still the source of minor amounts of good realgar, orpiment, and calcite. |
He accordingly mixed one part of red lead, four parts of blue bice, and a proper proportion of orpiment and verdigris. |
Commonly associated minerals include orpiment, stibnite, a variety of sulfides and sulfosalts, calcite, and barite. |
Put some quicklime and red orpiment in water, place some warm ashes under it for a whole day, filter the liquor, and cork it down. |
The most expensive stones used for seals are orpiment, agalmatolite originating in East China's Fujian Province and cornelian. |
The next morning we drove west to the famous town of Shimen, the locality for all the superb realgar and orpiment crystals. |