33 As Arsenic metalloid

Arsenic

Atomic number 33
Symbol As
Category Metalloid
Crystal system Trigonal
12 minerals in the collection
Discovered : Known since antiquity. Albertus Magnus isolated it around 1250.
Found in : Realgar, orpiment, arsenopyrite, adamite, scorodite.
Used for : Semiconductors, pesticides, wood preservatives.
Remarkable : Its garlic odor when heated was used forensically to detect poisoning for centuries.

Filter by: ·