Editing Orpiment (section)

=== Orpiment and realgar ===
Orpiment and [[realgar]] are closely related minerals and are often categorized in the same group. They are both arsenic sulfides and belong to the [[monoclinic crystal system]]. They are found in the same [[mineral deposit|deposits]] and can form in the same geologic environments. As a result, orpiment and realgar share similar physical properties and histories of use by humans.<ref name=":2" />

In Chinese, the names for orpiment and realgar are ''Ci-Huang'' and ''Xiong-Huang'', respectively meaning "female yellow" and "male yellow". Their names symbolize their close natural conjunction, both physically in terms of their occurrence and properties and culturally in Chinese traditions.

Orpiment and realgar can be distinguished by their different visual characteristics. While orpiment typically has a vibrant golden-yellow color, realgar, in contrast, normally has an orange or reddish hue.<ref name=":1" />