The mercury sulfide would easily decompose and produce mercury vapor (plus sulfur). The mercury vapor could be condensed on the walls of a cold test tube as metallic beads, making it easy to collect.
"This group allows women to create their own small businesses and be [independent] from money or resources that the men bring ...
Symptoms of elemental mercury vapor inhalation include difficulty breathing, vomiting, and headaches; for this reason, mercury is now less commonly used as an industrial method of gold extraction.
CINCINNATI — The U.S. EPA is investigating a local neighborhood following worries of mercury contamination. According to a press release by the U.S. EPA, the Ohio EPA was notified on Monday ...