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Iltisite

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Cap Garonne Mine, Le Pradet, Var, Provence-Alpes-Côte d'Azur, France
© Stephan Wolfsried

Show Iltisite Photos (8)



Formula:
HgAgS(Cl,Br)
System:HexagonalLustre:Adamantine
Name:
For Antoine Iltis (1942-), who found the mineral.
This page provides mineralogical data about Iltisite.

Classification of Iltisite

IMA status:Approved
Strunz 8th edition ID:2/F.13-05
Nickel-Strunz 10th (pending) edition ID: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)
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Type Occurrence of Iltisite

Type Locality:Cap Garonne Mine, Le Pradet, Var, Provence-Alpes-Côte d'Azur, France
Year of Discovery:1995

Physical Properties of Iltisite

Lustre:Adamantine

Crystallography of Iltisite

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

Optical Data of Iltisite

Type:Uniaxial (-)
RI values: nω = 2.300 nε = 2.100
Maximum Birefringence:δ = 0.200

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Very High

Chemical Properties of Iltisite

Formula:
HgAgS(Cl,Br)
Essential elements:Ag, Cl, Hg, S
All elements listed in formula:Ag, Br, Cl, Hg, S

Relationship of Iltisite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
2.FC.05Djerfisherite
K
 
6
(Cu,Fe,Ni)
 
25
S
 
26
Cl
2.FC.05Thalfenisite
Tl
 
6
(Fe,Ni,Cu)
 
25
S
 
26
Cl
2.FC.05Owensite
(Ba,Pb)
 
6
(Cu,Fe,Ni)
 
25
S
 
27
2.FC.10Bartonite
K
 
3
Fe
 
10
S
 
14
2.FC.10Chlorbartonite
K
 
6
Fe
 
24
S
 
26
(Cl,S)
2.FC.15aArzakite
Hg
2+
3
S
 
2
(Br,Cl)
 
2
2.FC.15aCorderoite
Hg
2+
3
S
 
2
Cl
 
2
2.FC.15cGrechishchevite
Hg
2+
3
S
 
2
(Br,Cl,I)
 
2
2.FC.15aLavrentievite
Hg
2+
3
S
 
2
(Cl,Br)
 
2
2.FC.15dRadtkeite
Hg
2+
3
S
 
2
ICl
2.FC.15bKenhsuite
Hg
2+
3
S
 
2
Cl
 
2
2.FC.20aCapgaronnite
HgAgS(Cl,Br,I)
2.FC.20cPerroudite
Hg
 
5
Ag
 
4
S
 
5
I
 
2
Cl
 
2
2.FC.25Demicheleite-(Br)
BiSBr
2.FC.25Demicheleite-(Cl)
BiSCl

Other Names for Iltisite

Synonyms:
IMA1994-031
Other Languages:
German:Iltisit
Spanish:Iltisita

Other Information

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

References for Iltisite

Reference List:

- +
Mineralogical Record: 29: 236.

Arkives de Science Genève (1997): 50(1) 1-5.

Internet Links for Iltisite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Iltisite details from Handbook of Mineralogy (PDF) [Link dead]
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    • Localities for Iltisite

    The 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.
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    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    France
     
    • Provence-Alpes-Côte d'Azur
      • Var
        • Le Pradet
    		Sarp H. et al. (1997), Arch. Sci. Genève, 50, 1
    Hungary
     
    • Borsod-Abaúj-Zemplén Co.
      • Rudabányai Mts.
        • Rudabánya
    		Szakáll: Minerals of Rudabánya, 2001
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