Poyarkovite Mineral Data

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General Poyarkovite Information

Chemical Formula:

Hg3ClO

Composition:

Molecular Weight = 653.22 gm

Mercury 92.12 % Hg 95.80 % Hg₂O

Chlorine 5.43 % Cl 5.43 % Cl

- % Cl -1.22 % -O=Cl₂

Oxygen 2.45 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Hg₃ClO

Environment:

Oxidized cinnabar ores.

IMA Status:

Approved IMA 1981

Locality:

Khaydarkan (Kyrgyzstan) antimony-mercury deposit. Arzak mercury deposit, situated about 12 km northeast of the well-known Terlig-Khaya mercury mine, Pii-Khem district, Tuva Republic, R Link to MinDat.org Location Data.

Name Origin:

Named for Vlakimir Erastovich Poyarkov, Russian geologist, well-known investigator of mercury and antimony deposits.

Name Pronunciation:

Poyarkovite + Pronunciation

Synonym:

ICSD 87734

PDF 33-920

Poyarkovite Image

Images:

Poyarkovite

Comments: Dark greenish black thin poyarkovite film on white chert.
Location: Elena, Durango, Mexico. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Poyarkovite Crystallography

Axial Ratios:

a:b:c =2.1078:1:1.8682

Cell Dimensions:

a = 19.009, b = 9.018, c = 16.848, Z = 24; beta = 110.82° V = 2,699.55 Den(Calc)= 9.64

Crystal System:

Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/c

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 2.38(1), 2.74(0.8), 2.6(0.6),

Crystal Structure:

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Vasil ev V I , Pervukhina N V , Romanenko G V , Magarill S A , Borisov S V , The Canadian Mineralogist , 37 (1999) p.119-126, New data on the mercury oxide-chloride mineral poyarkovite: The second, find, and crystal-structure determination

Physical Properties of Poyarkovite

Cleavage:

None

Color:

Dark red, Red, Black.

Density:

9.56

Diaphaneity:

Opaque to translucent

Fracture:

Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz).

Habit:

Anhedral Grains - Granular minerals without the expression of crystal shapes

Hardness:

2-2.5 - Gypsum-Finger Nail

Luster:

Vitreous - Adamantine

Streak:

red

Optical Properties of Poyarkovite

Gladstone-Dale:

CI meas= 0.326 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= 0.331 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1037,KPDmeas= 0.1046,KC= 0.1551
Ncalc = 2.48 - 2.5

Optical Data:

Biaxial (?), b=2

Pleochroism (x):

deep red.

Pleochroism (z):

brownish red.

RL Anisotrophism:

Strong, azure to blue.

RL Color:

White.

Reflectivity

**Standardized Intensity (100%) Reflection Spectra of Poyarkovite in Air**
λ	R₁	R₂	∑ R₁(λ)	∑ R₂(λ)
440 nm	25.00	31.00
460 nm	24.50	31.00
480 nm	22.50	31.00
500 nm	22.50	30.00
520 nm	22.20	29.20
540 nm	22.00	28.40
560 nm	21.60	27.20
580 nm	20.90	25.50
600 nm	20.00	23.50
620 nm	18.50	22.10
640 nm	17.00	20.70

**Calculated Relative Intensity Colors of Poyarkovite in Air**
Relative Intensity	0%	50%	100%	150%	200%	250%	300%	350%	400%	450%
R₁
R₂

Calculated Properties of Poyarkovite

Electron Density:

Bulk Density (Electron Density)=7.76 gm/cc
note: Specific Gravity of Poyarkovite =9.56 gm/cc.

Fermion Index:

Fermion Index = 0.27
Boson Index = 0.73

Photoelectric:

PE_Poyarkovite=1,607.49 barns/electron
U=PE_Poyarkovite x rElectron Density=12468.73 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Poyarkovite is Not Radioactive

Poyarkovite Classification

Dana Class:

10.05.02.01 (10)Oxyhalides and Hydroxyhalides

(10.05)where Am (O,OH)p Xq

(10.05.02)Dana Group

10.05.02.01 Poyarkovite Hg3ClO C 2/c 2/m

Strunz Class:

03.DD.10 03 - HALIDES

03.D - Oxyhalides, Hydroxyhalides and Related Double Halides

03.DD -With Hg

03.DD.10 Poyarkovite Hg3ClO C 2/c 2/m

Other Poyarkovite Information

References:

NAME( CanMin, 2/99) PHYS. PROP.(CanMin, 2/99) OPTIC PROP.(AntBidBlaNic3)

See Also:

Links to other databases for Poyarkovite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info

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Poyarkovite

Hg3ClO
Dana No: 10.05.02.01 Strunz No: 03.DD.10
Locality:

Notes: