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Iltisite

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About IltisiteHide

Tony Iltis
Formula:
HgAgS(Cl,Br)
Lustre:
Adamantine
Crystal System:
Hexagonal
Name:
Named in honor of M. Antoine Iltis (1942 - ), an amateur mineral collector who first found the mineral.
This page provides mineralogical data about Iltisite.


Classification of IltisiteHide

Approved
2.FC.20b

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
F : Sulfides of arsenic, alkalies; sulfides with halide, oxide, hydroxide, H2O
C : With Cl, Br, I (halide-sulfides)

Physical Properties of IltisiteHide

Adamantine

Optical Data of IltisiteHide

Type:
Uniaxial (-)
RI values:
nω = 2.300 nε = 2.100
Max Birefringence:
δ = 0.200
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Very High

Chemical Properties of IltisiteHide

Formula:
HgAgS(Cl,Br)
IMA Formula:
HgAgSCl

Crystallography of IltisiteHide

Crystal System:
Hexagonal
Cell Parameters:
a = 8.23 Å, c = 19.38 Å
Ratio:
a:c = 1 : 2.355
Unit Cell V:
1,136.80 ų (Calculated from Unit Cell)

Type Occurrence of IltisiteHide

Place of Conservation of Type Material:
Department of Mineralogy of the Muséum d’histoire naturelle de Genève, Switzerland.

Synonyms of IltisiteHide

Other Language Names for IltisiteHide

German:Iltisit
Spanish:Iltisita

Common AssociatesHide

Associated Minerals Based on Photo Data:
Perroudite7 photos of Iltisite associated with Perroudite on mindat.org.
Capgaronnite6 photos of Iltisite associated with Capgaronnite on mindat.org.
Olivenite1 photo of Iltisite associated with Olivenite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

2.FC.Demicheleite-(I)BiSIOrth. mmm (2/m 2/m 2/m) : Pnma
2.FC.05DjerfisheriteK6(Fe,Cu,Ni)25S26ClIso. m3m (4/m 3 2/m) : Pm3m
2.FC.05ThalfenisiteTl6(Fe,Ni,Cu)25S26Cl
2.FC.05Owensite(Ba,Pb)6(Cu,Fe,Ni)25S27Iso. m3m (4/m 3 2/m) : Pm3m
2.FC.10BartoniteK6Fe20S26STet. 4/mmm (4/m 2/m 2/m) : I4/mmm
2.FC.10ChlorbartoniteK6Fe24S26(Cl,S)Tet. 4/mmm (4/m 2/m 2/m) : I4/mmm
2.FC.15aArzakiteHg2+3S2(Br,Cl)2Mon.
2.FC.15aCorderoiteHg2+3S2Cl2Iso. m3 (2/m 3)
2.FC.15cGrechishcheviteHg2+3S2(Br,Cl,I)2Tet.
2.FC.15aLavrentieviteHg2+3S2(Cl,Br)2Mon.
2.FC.15dRadtkeiteHg2+3S2IClMon. 2/m : B2/m
2.FC.15bKenhsuiteHg2+3S2Cl2Orth.
2.FC.20aCapgaronniteAgHgClSOrth.
2.FC.20cPerrouditeHg5Ag4S5(I,Br)2Cl2Orth. 2 2 2 : P21 21 2
2.FC.25Demicheleite-(Br)BiSBrOrth. mmm (2/m 2/m 2/m) : Pnma
2.FC.25Demicheleite-(Cl)BiSClOrth. mmm (2/m 2/m 2/m) : Pnma

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for IltisiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Sarp, H., Sanz-Gysler, J., and Perroud, P. (1997) Iltisite, HgSAg(Cl,Br), un nouveau minéral de la mine de Cap Garonne, Var (France), polymorphe de la capgaronnite. Archives des Sciences, Genève: 50(1): 1-5. (in French with English abstract)
Jambor, J.L. and Roberts, A.C. (1998) New mineral names. American Mineralogist: 83: 400-403.
Mineralogical Record: 29: 236.

Internet Links for IltisiteHide

Localities for IltisiteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
France (TL)
 
  • Provence-Alpes-Côte d'Azur
    • Var
      • Le Pradet
Sarp, H., Sanz-Gysler, J., and Perroud, P. (1997) Iltisite, HgSAg(Cl,Br), un nouveau minéral de la mine de Cap Garonne, Var (France), polymorphe de la capgaronnite. Archives des Sciences, Genève: 50(1): 1-5. (in French with English abstract); Jambor, J.L. and Roberts, A.C. (1998) New mineral names. American Mineralogist: 83: 400-403.
Georges FAVREAU collection
Hungary
 
  • Borsod-Abaúj-Zemplén Co.
    • Rudabányai Mts
      • Rudabánya
Szakáll: Minerals of Rudabánya, 2001
Spain
 
  • Andalusia
    • Almería
      • Tíjola
C. MENOR-SALVÁN (2012) Arsenogoyazita e Iltisita de la mina “Las Cocotas”, Tijola, Almería, (España). Acopios, 3: 1-5.
Mineral and/or Locality  
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