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Arzakite

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Formula:
Hg
2+
3
S
 
2
(Br,Cl)
 
2
System:MonoclinicColour:Colorless to yellow
Lustre:Adamantine, VitreousHardness:2 - 2½
Name:For the type locality


Originally reported from Arzak Hg occurrence (Arzakskoye), Uyuk Range, Pii-Khem District, Tuva Republic, Eastern-Siberian Region, Russia.

Classification of Arzakite

IMA status:Published without Approval
Strunz 8th edition ID:2/F.14-50
Nickel-Strunz 10th (pending) edition ID:2.FC.15a

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)
Dana 8th edition ID:10.3.4.2

10 : OXYHALIDES AND HYDROXYHALIDES
3 : A3(O,OH)2Xq
Hey's CIM Ref.:6.5.2

6 : Sulphosalts - Sulphostannates, Sulphogermanates,Sulpharsenates, Sulphantimonates, Sulphovanadates and Sulphohalides
5 : Sulphohalides
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Physical Properties of Arzakite

Lustre:Adamantine, Vitreous
Diaphaneity (Transparency):Transparent
Colour:Colorless to yellow
Hardness (Mohs):2 - 2½
Hardness (Vickers):VHN100=82 - 103
Density (calculated):7.64 g/cm3

Crystallography of Arzakite

Crystal System:Monoclinic
Cell Parameters:a = 8.99Å, b = 5.24Å, c = 18.45Å
β = 92.28°
Ratio:a:b:c = 1.716 : 1 : 3.521
Unit Cell Volume:V 868.45 ų (Calculated from Unit Cell)
Morphology:Complex intergrowths
Comment:Possibly triclinic

Chemical Properties of Arzakite

Formula:
Hg
2+
3
S
 
2
(Br,Cl)
 
2
Essential elements:Br, Hg, S
All elements listed in formula:Br, Cl, Hg, S

Relationship of Arzakite to other Species

Series:Forms a series with Lavrentievite (see here)
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.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.20bIltisite
HgAgS(Cl,Br)
2.FC.25Demicheleite-(Br)
BiSBr
2.FC.25Demicheleite-(Cl)
BiSCl
Related Minerals - Hey's Index Grouping:

- +
6.5.1Corderoite
Hg
2+
3
S
 
2
Cl
 
2
6.5.3Lavrentievite
Hg
2+
3
S
 
2
(Cl,Br)
 
2
6.5.4Grechishchevite
Hg
2+
3
S
 
2
(Br,Cl,I)
 
2
6.5.5Radtkeite
Hg
2+
3
S
 
2
ICl
6.5.6Capgaronnite
HgAgS(Cl,Br,I)
6.5.7Perroudite
Hg
 
5
Ag
 
4
S
 
5
I
 
2
Cl
 
2
6.5.8Ardaite
Pb
 
19
Sb
 
13
S
 
35
Cl
 
7
6.5.9Dadsonite
Pb
 
23
Sb
 
25
S
 
60
Cl
6.5.10Radhakrishnaite
PbTe
 
3
(Cl,S)
 
2
6.5.11Djerfisherite
K
 
6
(Cu,Fe,Ni)
 
25
S
 
26
Cl
6.5.12Thalfenisite
Tl
 
6
(Fe,Ni,Cu)
 
25
S
 
26
Cl

Other Names for Arzakite

Other Languages:
German:Arzakit
Spanish:Arzakita

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 Arzakite

Reference List:

- +
Vasilev, V.I., Palchik, N.A., Grechishchev, O.K. (1984): Geologiya i Geofizika, 7, 54-63.
American Mineralogist, 70, 873-874 (abs).

Internet Links for Arzakite

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    • Localities for Arzakite

    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.
    Russia
     
    • Eastern-Siberian Region
      • Tuva Republic
        • Pii-Khem District
          • Uyuk Range
    		Vasilev, V.I., Palchik, N.A., Grechishchev, O.K. (1984): Geologiya i Geofizika, 7, 54-63.; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
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    Copyright © Jolyon Ralph and Ida Chau 1993-2011. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 21st Jun 2011 03:42:33
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