Iodargyrite

{{Infobox mineral

| name = Iodargyrite

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| image = Iodargyrite-51194.jpg

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| caption = Iodargyrite on gossan, Broken Hill Ore Deposit, New South Wales, Australia.

| category = Halide minerals

| formula = AgI

| IMAsymbol = Iag{{Cite journal|last=Warr|first=L.N.|date=2021|title=IMA–CNMNC approved mineral symbols|journal=Mineralogical Magazine|volume=85|issue=3|pages=291–320|doi=10.1180/mgm.2021.43|bibcode=2021MinM...85..291W|s2cid=235729616|doi-access=free}}

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| strunz = 3.AA.10

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| system = Hexagonal

| class = Dihexagonal pyramidal (6mm)
H-M symbol: (6mm)

| symmetry = P6mm

| unit cell = a = 4.59, c = 7.51 [Å]; Z = 2

| color = Colorless (fresh); pale yellow, yellow, greenish yellow, brownish, grayish

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| mohs = {{frac|1|1|2}} – 2

| luster = Adamantine, resinous

| streak = Yellow (shining)

| diaphaneity = Transparent, translucent

| gravity = 5.69

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| opticalprop = Uniaxial (+)

| refractive = n_ω = 2.210 n_ε = 2.220

| birefringence = δ = 0.010

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| references = [http://www.mindat.org/min-2037.html Mindat page for iodargyrite][http://webmineral.com/data/Iodargyrite.shtml Webmineral page for iodargyrite]

}}

Iodyrite or iodargyrite is a natural mineral form of silver iodide.

Related minerals are chlorargyrite and bromargyrite.