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Iodargyrite information


Iodargyrite
Iodargyrite on gossan, Broken Hill Ore Deposit, New South Wales, Australia.
General
CategoryHalide minerals
Formula
(repeating unit)		AgI
IMA symbolIag[1]
Strunz classification3.AA.10
Crystal systemHexagonal
Crystal classDihexagonal pyramidal (6mm)
H-M symbol: (6mm)
Space groupP6mm
Unit cella = 4.59, c = 7.51 [Å]; Z = 2
Identification
ColorColorless (fresh); pale yellow, yellow, greenish yellow, brownish, grayish
Mohs scale hardness1+1⁄2 – 2
LusterAdamantine, resinous
StreakYellow (shining)
DiaphaneityTransparent, translucent
Specific gravity5.69
Optical propertiesUniaxial (+)
Refractive indexnω = 2.210 nε = 2.220
Birefringenceδ = 0.010
References[2][3]

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

Related minerals are chlorargyrite and bromargyrite.

  1. ^ Warr, L.N. (2021). "IMA–CNMNC approved mineral symbols". Mineralogical Magazine. 85 (3): 291–320. Bibcode:2021MinM...85..291W. doi:10.1180/mgm.2021.43. S2CID 235729616.
  2. ^ Mindat page for iodargyrite
  3. ^ Webmineral page for iodargyrite

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Iodargyrite

Last Update:

Iodyrite or iodargyrite is a natural mineral form of silver iodide. Related minerals are chlorargyrite and bromargyrite. Warr, L.N. (2021). "IMA–CNMNC...

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Silver iodide

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is most stable. This phase is encountered in nature as the mineral iodargyrite. Above 420 K, the α phase becomes more stable. This motif is a body-centered...

Word Count : 610

Chlorargyrite

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water-insoluble. It occurs associated with native silver, cerussite, iodargyrite, atacamite, malachite, jarosite and various iron–manganese oxides. It...

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Iodide

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histidine, lipid, etc. → iodo-compounds + H2O + 2 e− (antioxidants). Iodargyrite—natural, crystalline silver iodide—is the most common iodide mineral...

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Bromargyrite

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ore minerals. It occurs in arid environments along with native silver, iodargyrite and smithsonite along with iron and manganese oxide minerals. Mindat...

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List of minerals

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Ilsemannite Ilvaite Imogolite Inderite Indite Indium Inesite Inyoite Iodargyrite Iranite Iridium Iron Ixiolite Varieties that are not valid species: Idocrase...

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Halide mineral

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Cerargyrite/Horn silver AgCl Chlorargyrite AgCl, bromargyrite AgBr, and iodargyrite AgI Cryolite Na3AlF6 Cryptohalite (a)(NH4)2SiF6 Dietzeite Ca2(IO3)2CrO4...

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Silver bromide

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tetrahedral (4-coordinated Ag) complexes. Unlike the other silver halides, iodargyrite (AgI) contains a hexagonal zincite lattice structure. The silver halides...

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List of mineral symbols

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Iss Illoqite-(Ce) Ilo-Ce Inyoite Iyo Itelmenite Itm Ilsemannite Ils Iodargyrite Iag Itoigawaite Ito Iltisite Iti Iowaite Iow Itoite It Ilvaite Ilv Iquiqueite...

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Marshite

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20-22. Millsteed, P.W. (1998) “Marshite - miersite solid solution and iodargyrite from Broken Hill, New South Wales, Australia“. Mineralogical Magazine...

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