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Bible Encyclopedias
Vermilion
1911 Encyclopedia Britannica
or a scarlet pigment composed of mercuric sulphide, HgS. It may be obtained direct from pure and bright coloured portions of the native ore cinnabar, or, artificially, by subliming a mixture of mercury and sulphur. The product is ground and levigated; and when dry it is ready for use. It is also prepared by digesting precipitated mercuric sulphide with an alkaline sulphide fox some hours; it is said that Chinese vermilion owes its superiority to being made in this way. In addition to its brilliance, vermilion is a pigment of great intensity and durability, remaining unaffected by acid fumes. Being costly, it is much subject to adulteration; but the fraudulent additions may easily be detected by volatilization, which in the case of pure vermilion leaves no residue. See Pigments and Mercury.
These files are public domain.
Chisholm, Hugh, General Editor. Entry for 'Vermilion'. 1911 Encyclopedia Britanica. https://www.studylight.org/encyclopedias/eng/bri/v/vermilion.html. 1910.
