Forms a series with lavrentievite.

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

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Classification of ArzakiteHide

Notes:

Unnamed (probably valid)

Approval History:

Unnamed, but probably valid.

Strunz 8th ed.:

2/F.14-50

Nickel-Strunz 10th (pending) ed.:

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 ed.:

10.3.4.2

10 : OXYHALIDES AND HYDROXYHALIDES
3 : A₃(O,OH)₂X_q

Hey's CIM Ref.:

6.5.2

6 : Sulphosalts - Sulphostannates, Sulphogermanates,Sulpharsenates, Sulphantimonates, Sulphovanadates and Sulphohalides
5 : Sulphohalides

Physical Properties of ArzakiteHide

Lustre:

Adamantine, Vitreous

Transparency:

Transparent

Colour:

Colorless to yellow

Comment:

Pale bog-brown, reddish brown, deepening on exposure to light

Streak:

Greyish yellow

Hardness:

2 - 2½ on Mohs scale

Hardness:

VHN₁₀₀=82 - 103 - Vickers

Tenacity:

Brittle

Cleavage:

Perfect
Perfect in two directions parallel to elongation.

Density:

7.64 g/cm³ (Calculated)

Optical Data of ArzakiteHide

Type:

Anisotropic

Bireflectance:

Very weak, greyish white to grey

Reflectivity:

546nm	R₁=16.5%	R₂= 17.0%
590nm	R₁=15.2%	R₂= 16.7%
620nm	R₁=14.8%	R₂= 16.0%
656nm	R₁=14.5%	R₂= 16.0%

Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 17.0%.
R₁ shown in black, R₂ shown in red

Colour in reflected light:

Grey

Internal Reflections:

Pale yellow to pale brown

Pleochroism:

Weak

Comments:

Greyish to yellowish brown in thin section

Chemical Properties of ArzakiteHide

Formula:

Hg²⁺₃S₂(Br,Cl)₂

Elements listed:

Br, Cl, Hg, S - search for minerals with similar chemistry

Crystallography of ArzakiteHide

Crystal System:

Monoclinic

Cell Parameters:

a = 8.99(4) Å, b = 5.24(1) Å, c = 18.45(8) Å
β = 92.28(15)°

Ratio:

a:b:c = 1.716 : 1 : 3.521

Unit Cell V:

868.45 Å³ (Calculated from Unit Cell)

Morphology:

Complex intergrowths

Comment:

Possibly triclinic

X-Ray Powder DiffractionHide

Powder Diffraction Data:

d-spacing	Intensity
5.05 Å	(3)
3.99 Å	(4)
3.41 Å	(5)
3.02 Å	(6)
2.63 Å	(10)
2.313 Å	(4)
1.594 Å	(4)

Comments:

Arzak deposit, Russia.

Other Language Names for ArzakiteHide

German:Arzakit

Spanish:Arzakita

Relationship of Arzakite to other SpeciesHide

Forms a series with:

Lavrentievite

Arzakite-Lavrentievite Series

Related Minerals - Nickel-Strunz Grouping Hide

2.FC.	Demicheleite-(I)	BiSI	Orth. mmm (2/m 2/m 2/m) : Pnma
2.FC.05	Djerfisherite	K₆(Fe,Cu,Ni)₂₅S₂₆Cl	Iso. m3m (4/m 3 2/m) : Pm3m
2.FC.05	Thalfenisite	Tl₆(Fe,Ni,Cu)₂₅S₂₆Cl
2.FC.05	Owensite	(Ba,Pb)₆(Cu,Fe,Ni)₂₅S₂₇	Iso. m3m (4/m 3 2/m) : Pm3m
2.FC.10	Bartonite	K₆Fe₂₀S₂₆S	Tet. 4/mmm (4/m 2/m 2/m) : I4/mmm
2.FC.10	Chlorbartonite	K₆Fe₂₄S₂₆(Cl,S)	Tet. 4/mmm (4/m 2/m 2/m) : I4/mmm
2.FC.15a	Corderoite	Hg²⁺₃S₂Cl₂	Iso. m3 (2/m 3)
2.FC.15c	Grechishchevite	Hg²⁺₃S₂(Br,Cl,I)₂	Tet.
2.FC.15a	Lavrentievite	Hg²⁺₃S₂(Cl,Br)₂	Mon.
2.FC.15d	Radtkeite	Hg²⁺₃S₂ICl	Mon. 2/m : B2/m
2.FC.15b	Kenhsuite	Hg²⁺₃S₂Cl₂	Orth.
2.FC.20a	Capgaronnite	AgHgClS	Orth.
2.FC.20c	Perroudite	Hg₅Ag₄S₅(I,Br)₂Cl₂	Orth. 2 2 2 : P2₁ 2₁ 2
2.FC.20b	Iltisite	HgAgSCl	Hex.
2.FC.25	Demicheleite-(Br)	BiSBr	Orth. mmm (2/m 2/m 2/m) : Pnma
2.FC.25	Demicheleite-(Cl)	BiSCl	Orth. mmm (2/m 2/m 2/m) : Pnma

Related Minerals - Dana Grouping (8th Ed.)Hide

10.3.4.1

Lavrentievite

Hg²⁺₃S₂(Cl,Br)₂

Mon.

Related Minerals - Hey's Chemical Index of Minerals Grouping Hide

6.5.1	Corderoite	Hg²⁺₃S₂Cl₂	Iso. m3 (2/m 3)
6.5.3	Lavrentievite	Hg²⁺₃S₂(Cl,Br)₂	Mon.
6.5.4	Grechishchevite	Hg²⁺₃S₂(Br,Cl,I)₂	Tet.
6.5.5	Radtkeite	Hg²⁺₃S₂ICl	Mon. 2/m : B2/m
6.5.6	Capgaronnite	AgHgClS	Orth.
6.5.7	Perroudite	Hg₅Ag₄S₅(I,Br)₂Cl₂	Orth. 2 2 2 : P2₁ 2₁ 2
6.5.8	Ardaite	Pb₁₉Sb₁₃S₃₅Cl₇	Mon.
6.5.9	Dadsonite	Pb₂₃Sb₂₅S₆₀Cl	Tric. 1 : P1
6.5.10	Radhakrishnaite	PbTe₃(Cl,S)₂	Tet.
6.5.11	Djerfisherite	K₆(Fe,Cu,Ni)₂₅S₂₆Cl	Iso. m3m (4/m 3 2/m) : Pm3m
6.5.12	Thalfenisite	Tl₆(Fe,Ni,Cu)₂₅S₂₆Cl

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 ArzakiteHide

Reference List:

Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)

Vasil'ev, V.I., Pal'chik, N.A., Grechishchev, O.K. (1984): Lavrentievite and arzakite, new natural sulfohalogenides of mercury. Geologiya i Geofizika, 7, 54-63 (in Russian).

American Mineralogist, 70, 873-874 (abs).

Vasil'ev, V.I., Lavrent'ev, Y.G. and Pal'chik, N.A. (1986): New data on arzakite and lavrentievite. Doklady Akademii Nauk SSSR, 290, 948–951 (in Russian).

Internet Links for ArzakiteHide

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Localities for ArzakiteHide

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.


Russia
Chelyabinsk Oblast ⓘ Chelyabinsk meteorite (Chebarkul meteorite)	Мороз Т.Н., Горяйнов С.В., Похиленко Н.П., Подгорных Н.М., Нишанбаев Т.П. Спектры комбинационного рассеяния света метеорита Челябинск // Метеорит Челябинск - год на Земле. 2014. c. 589-597 (in Rus.).
Tuva Pii-Khem District Uyuk Range ⓘ Arzak Hg occurrence (Arzakskoye)	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; Pervukhina, N. V., Vasil’ev, V. I., Borisov, S. V., Magarill, S. A., & Naumov, D. Y. (2003). The crystal structure of a polymorph of Hg2+ 3S2Br1. 0Cl0. 5I0. 5. The Canadian Mineralogist, 41(6), 1445-1453.
Oorash-Khem River Valley ⓘ Kadyrel' Hg occurrence	Pervukhina, N. V., Vasil’ev, V. I., Borisov, S. V., Magarill, S. A., & Naumov, D. Y. (2003). The crystal structure of a polymorph of Hg2+ 3S2Br1. 0Cl0. 5I0. 5. The Canadian Mineralogist, 41(6), 1445-1453.

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Arzakite