The arsenic minerals or arsenic group are a group of trigonal symmetry minerals composed of arsenic-like elements, and one alloy. [1] The elements are arsenic, antimony and bismuth. [2] The alloy is stibarsen (SbA) an alloy of arsenic and antimony. [3]

This table compares the known valid mineral species listed listed with Arsenic and the other elements listed based on the official IMA formula. Note that unlike other sections on this page this includes non-essential elements.

Statistics and information on the worldwide supply of, demand for, and flow of the mineral commodity arsenic

Click on an element to see its history, description, benefits, sources and biological rating. Click an element for more information about occurrence in minerals.

Arsenic is commonly in the minerals listed in table 1. Table 1: Minerals containing the element Arsenic. Arsenic was used in ancient times as a poison, as an alloy to strengthen bronze, and even as a topical to lighten skin. Although widely used in historic times, health and environmental concerns have led to more limited modern use.

Arsenic is used in bronzing, pyrotechny, and for hardening and improving the sphericity of shot. The most important compounds are white arsenic, the sulfide, Paris green, calcium arsenate, and lead arsenate; the last three have been used as agricultural insecticides and poisons.

Detailed description, properties, and locality information guide about the semi-metallic element and mineral native arsenic.

Arsenic. Comments: Botryoidal-concentric aggregate of arsenic with white calcite crystals. Location: Schneeberg, Erzgebirge, Sachsen, Germany. Scale: 7 x 4 cm. © Thomas Witzke / Abraxas-Verlag

Arsenic is a notoriously toxic heavy metal. It occurs naturally in many minerals, usually in combination with sulfur and metals, but also as a pure elemental crystal. It has various allotropes, but only the grey form, which has a metallic appearance, is important to industry.

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