Iodargyrite: The silver mineral iodargyrite information & pictures

About

Iodargyrite is an ore of silver, and is very similar to Chlorargyrite and Bromrargyrite. Iodargyrite contains the halogen iodine combined with silver, whereas Chlorargyrite contains chlorine, and Bromargyrite contains bromine. Iodargyrite is usually lighter in color than the other two.

Iodargyrite is named after its chemical composition: "iod" for iodine, and "argyros" for the Greek word used for silver.

Crystal Forms & Aggregates

As tabular or prismatic crystals which are usually in groups of small crystals. Also as barrel-shaped forms, in parallel or disjoined crystal groups, as rosettes, drusy, grainy, and massive. Crystals may be hemimorphic with different shapes on each side.

Striking Features

Color, luster, habits, and mode of occurrence

Environment

As a secondary mineral in oxidation zones, forming in epithermal veins and hydrothermal replacement deposits of silver deposits.

Uses

Iodargyrite is an ore of silver.

Noteworthy Localities

Iodargyrite is a very uncommon mineral. Its most well-known locality is Broken Hill, New South Wales, Australia. Well-formed micro-crystals of this mineral have also come from Échassières, Allier, France; Vrančice, in Příbram, Bohemia, Czech Republic; and the Clara Mine, Oberwolfach, Baden-Württemberg, Germany; and the Schöne Aussicht Mine, Dernbach, Rhineland-Palatinate, Germany. Bright yellow microcrystals associated with Cuprite have recently been coming from the Rubtsovoskoe Mine, near Poteryaevka, Altai, Russia.