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Kuznetsovite

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Kuznetsovit
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1588258882
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Kuznetsovit
braune Tetraeder von Kuznetsovit, Khaidarkan, Fergana-Tal, Osh Oblast, Kirgisistan; BB < 1 mm, analysiert
Copyright: MinTreasure.com (Carsten Slotta); Contribution: openpit
Location: Kirgistan/Batken, Oblast/Kadamdschai, Bezirk/Hg-Sb-Lagerstätten/Khaidarkan (Aidarken; Chaidarkan; Khaydarkan)
Mineral: Kuznetsovite
Image: 1588258882
License: Usage for Mineralienatlas project only
Kuznetsovit

braune Tetraeder von Kuznetsovit, Khaidarkan, Fergana-Tal, Osh Oblast, Kirgisistan; BB < 1 mm, analysiert

Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2020-04-30
Locality: Khaidarkan (Aidarken; Chaidarkan; Khaydarkan) / Hg-Sb-Lagerstätten / Kadamdschai, Bezirk / Batken, Oblast / Kirgistan

Collectors Summary

Color blassbraun, honigbraun
Streak color orangegelb
Hardness (Mohs) 2.50 - 3.00
Solubility +++ HCl, + KOH, - HNO3(1:1)
Crystal System kubisch, P213

Chemism

Chemical formula

Hg3Cl(AsO4)

Chemical composition

Arsen, Chlor, Quecksilber, Sauerstoff

Unit weight: 776.148522 u; Number of atoms in the formula: 9

Info

Empirical formula:

Hg3Cl(AsO4)

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Oxygen

O

8.25

4

44.44

15.9994300

63.9977200

Chlorine

Cl

4.57

1

11.11

35.4532000

35.4532000

Arsenic

As

9.65

1

11.11

74.9216020

74.9216020

Mercury

Hg

77.53

3

33.33

200.5920000

601.7760000

Strunz 9th edition incl. updates

8.BO.40

8: Phosphate, Arsenate, Vanadate
B: Phosphate, etc., mit weitere Anionen, ohne H2O
O: Mit ausschließlich [Kationen] (OH, etc.):RO4 ≥ 1:1
40:Kuznetsovit-Gruppe

Lapis Classification

VII/B.31-010

VII: PHOSPHATE, ARSENATE UND VANADATE ("Phosphate" des Registers immer einschließlich isotyper Arsenate und Vanadate!)
B: Wasserfreie Phosphate, mit fremden Anionen F,Cl,O,OH
31: Mittelgroße und große Kationen: Mg-Cu-Zn und Ca-Na-K-Ba-Pb

Classification by Hölzel

8.BP.180

8: PHOSPHATES ARSENATES VANADATES
B: Phosphates (+Anions -Water)
P: Other Phosphates with large Cations
1: very large: 1+2 Nacaphite-Group

Dana 8th edition

38.05.11.01

38: Anhydrous Phosphates, etc
05: Anhydrous Phosphates, etc with miscellaneous formulae

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

blassbraun, honigbraun

Streak color

orangegelb

RI value α / ω / n

high

2V angle

Isotropisch

Crystallography

Crystal System

kubisch

Class (H-M)

23

Space Group number

198

Space Group

P213

Cell parameters a (Å)

8.401

Cell parameters b (Å)

-

Cell parameters c (Å)

-

Cell parameters a/b or c/a

1

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

4

Volume (ų)

592.916

X-Ray Powder Diffraction

4.86(60),
4.21(50),
3.77(50),
3.43(60),
2.81(70),
2.66(50),
2.53(100),
1.834(60)

XRD chart Kuznetsovite

Calculated from d-spacing and intensity at 0.1541838 nm (Cu)

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

2.50 - 3.00

VHN (Hardness Vickers)

68 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

8.73 (gemessen)

8.694 ( ρ calc. Mineralienatlas )

Instability

+++ HCl, + KOH, - HNO3(1:1)

Preface

Author (Name, Year)

Vasil'eva & Lavrent'ev, 1980

References

Transactions (Doklady) of the USSR Academy of Sciences, Earth Science Sections 255 (1980), 174

Other languages

German

Kuznetsovit

Spanish

Kuznetsovita

English

Kuznetsovite

French

Kuznetsovite

Russian

Кузнецовит

CNMNC (IMA)-Number

IMA 1980-009

CNMNC symbol

Symbol

Kzn

Locations with GPS information

IDs

GUSID (Global unique identifier short form) gr7O8PCXIUKrouaIwKRjqg
GUID (Global unique identifier) F0CEBE82-97F0-4221-ABA2-E688C0A463AA
Database ID 2100