When citing outside sources, you are required to include: the author(s)' last name(s); the date of publication; and, for direct quotations, the page number on which the quoted passage appears. If there is no page number, use the paragraph number to indicate the location of the quotation.
Cinnabar (mercury sulphide - HgS) is the single most toxic mineral to handle on earth. It is the worldâs main source of mercury and has been mined since Neolithic times. However, when oxidized, this element will produce methyl mercury and dimethyl mercury, two toxic compounds that cause irreparable harm to the nervous systems of children. It is deadly in small concentrations and can be absorbed through the respiratory tract, intestines, or skin.
This has also shown to be a reproductive toxin. Distearyldimonium Chloride- Quaternary ammonium salt that is toxic to the environment. It is also harmful to the eyes of humans and animals, including water animals. It can be an irritant to eyes, skin and lungs but the most serious danger is to the eyes.