An antimonite or stibnite, antimony shine is the main source of antimony. In ancient times the antimony was considered almost a drug, and was actively used in cosmetics, but in fact it is extremely unstable and toxic. Handling it requires great care.
Hutchinsonite is a sulfosalts class mineral containing lead and thallium. If a person does not wash his hands in time after touching it or inhale the dust, he can fully enjoy its toxic effects. Hair loss and damage to the nervous system are minimal impact of it.
Galena is one of the most common lead ore that was mined in ancient Egypt. Working with it, however, requires great caution, as the lead is a poisonous thing. Inhalation of Galena dust can lead to serious illness and death.
Asbestos is not a single mineral, but a few fine fiber silicates, which are actively used in the construction and communication technologies since the beginning of the XX century. Relatively recently it was revealed that asbestos dust is the strongest carcinogen, so asbestos was banned in several European countries.
Arsenopyrite, aka arsenic pyrite is a mineral that miners sometimes confused with gold, and it didn’t end in anything good for them. Arsenopyrite is mainly composed of arsenic and prolonged direct contact therewith causes poisoning and death.