This section is from the book "Materia Medica And Therapeutics Inorganic Substances", by Charles D. F. Phillips. Also available from Amazon: Materia medica and therapeutics.
By melting or burning the native sulphur-earth, or any metallic sulphide, and condensing the vaporized sulphur in large chambers.
Sublimed sulphur is a gritty powder, canary-yellow in color, and possessing the characters of the element as already described. It may be acid in reaction from the presence of a little sulphuric acid, formed by slow oxidation, and should be freed from this by washing with distilled water, after which it becomes "sulphur lotum."