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Atlasovite

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Atlasovit in Nabokoit
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Atlasovit in Nabokoit
dunkler braune Zonen von Atlasovit in gelbraunem Nabokoit, Große Spalteneruption, Tolbachik, Kamtschatka, Russland; BB < 1 mm, analysiert, gefunden in den 1970-er Jahren
Copyright: MinTreasure.com (Carsten Slotta); Contribution: openpit
Location: Russland/Ferner Osten, Föderationskreis/Kamtschatka, Krai/Tolbachik-Vulkan/Große Spalteneruption (Great Fissure)
Mineral: Atlasovite, Nabokoite
Image: 1579978417
License: Usage for Mineralienatlas project only
Atlasovit in Nabokoit

dunkler braune Zonen von Atlasovit in gelbraunem Nabokoit, Große Spalteneruption, Tolbachik, Kamtschatka, Russland; BB < 1 mm, analysiert, gefunden in den 1970-er Jahren

Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2020-01-25
Locality: Große Spalteneruption (Great Fissure) / Tolbachik-Vulkan / Kamtschatka, Krai / Ferner Osten, Föderationskreis / Russland

Collectors Summary

Color dunkelbraun
Streak color hellbraun
Hardness (Mohs) 3.25
Solubility +++ HCl, HNO3, KOH, ++ Clerici Lösung, Immersionsöl, - H2O
Crystal System tetragonal, P4/ncc

Chemism

Chemical formula

KCu62+Fe3+Bi3+[O4|Cl|(SO4)5]

Chemical composition

Bismut, Chlor, Eisen, Kupfer, Kalium, Sauerstoff, Schwefel

Unit weight: 1264.968712 u; Number of atoms in the formula: 39

Info

Empirical formula:

KCu6FeBi[O4Cl(SO4)5]

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Oxygen

O

30.36

24

61.54

15.9994300

383.9863200

Sulfur

S

12.67

5

12.82

32.0655000

160.3275000

Chlorine

Cl

2.80

1

2.56

35.4532000

35.4532000

Potassium

K

3.09

1

2.56

39.0983100

39.0983100

Iron

Fe

4.41

1

2.56

55.8452000

55.8452000

Copper

Cu

30.14

6

15.38

63.5463000

381.2778000

Bismuth

Bi

16.52

1

2.56

208.9803820

208.9803820

Strunz 9th edition incl. updates

7.BC.20

7: Sulfate (Selenate, Tellurate, Chromate, Molybdate, Wolframate)
B: Sulfate (Selenate, etc.) mit weitere Anionen, ohne H2O
C: Mit mittelgroßen und großen [Kationen]
20:Nabokoit-Gruppe

Lapis Classification

VI/B.07-020

VI: SULFATE, CHROMATE, MOLYBDATE UND WOLFRAMATE
B: Wasserfreie Sulfate, mit fremden Anionen
7: Mittelgroße Kationen vorwiegend

Classification by Hölzel

7.BA.280

7: SULFATES CHROMATES MOLYBDATES WOLFRAMATES
B: Sulfates (+Anions -Water)
A: Sulfates, C medium, medium + large
2: With Na,K + Cu

Dana 8th edition

30.01.17.02

30: Anhydrous Sulfates Containing Hydroxyl or Halogen
01: Anhydrous Sulfates Containing Hydroxyl or Halogen where (A B)m (XO4)p Zq where m:p>2:1

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

dunkelbraun

Streak color

hellbraun

Diaphaneity (Transparency)

transparent

max. Birefringence

0.007

Birefringence chart\! Atlasovite title=Birefringence chart Atlasovite

Michel-Levy Color Chart viewed according to the maximum birefringence (at 30μm). Mineral color is not taken into account. Click on the image to enlarge or change thickness.

RI value α / ω / n

1.783

RI value γ / ε

1.776

Ri mean

1.781

2V angle

Uniaxial (-)

Crystallography

Crystal System

tetragonal

Class (H-M)

4/mmm

Space Group number

130

Space Group

P4/ncc

Cell parameters a (Å)

9.86

Cell parameters b (Å)

-

Cell parameters c (Å)

20.58

Cell parameters a/b or c/a

2.087

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

4

Volume (ų)

2000.779

X-Ray Powder Diffraction

10.75(90),
10.41(100),
7.14(40),
4.57(50),
3.57(40),
3.431(70),
2.890(70),
2.446(80)

XRD chart Atlasovite

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

Crystals 3D

Open larger view

Physical Properties

Hardness (Mohs)

3.25

VHN (Hardness Vickers)

103

Density (g/cm³)

4.2

4.199 ( ρ calc. Mineralienatlas )

Instability

+++ HCl, HNO3, KOH, ++ Clerici Lösung, Immersionsöl, - H2O

Preface

Generation conditions

an vulkanischen Fumarolen

Associations

bildet Wachstumszonen in Nabokoit-Kristallen

Author (Name, Year)

Popova & Popov & Rudashevsky & Glavatskikh & Polyakov & Bushsmakin, 19

References

Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva 116 (1987), 358

Other languages

German

Atlasovit

Spanish

Atlasovita

French

Atlasovite

English

Atlasovite

Russian

Атласовит

CNMNC (IMA)-Number

IMA 1986-029

CNMNC symbol

Symbol

Atv

Locations with GPS information

IDs

GUSID (Global unique identifier short form) 2Vg4hKq9QEmy9CDhO81ftg
GUID (Global unique identifier) 843858D9-BDAA-4940-B2F4-20E13BCD5FB6
Database ID 236