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Dusmatovite

Pictures (3 Images total)

Dusmatovit (bergfrisch)
Views (File:
1241299536
): 1515
Dusmatovit (bergfrisch)
Größe: 70x60x30 mm; Fundort: Dara-i-Pioz-Gletscher, Alayskiy (Alai) Range, Tien-Shan-Gebirge, Tadschikistan
Copyright: Pavel M. Kartashov; Contribution: Philip Blümner
Location: Tadschikistan/Republik-unterstellte Gebiete (Nohijahoi tobei Dschumhurij)/Dara-i-Pioz (Darai-Pioz)
Mineral: Dusmatovite
Image: 1241299536
Rating: 7 (votes: 1)
License: Usage for Mineralienatlas project only
Dusmatovit (bergfrisch)

Größe: 70x60x30 mm; Fundort: Dara-i-Pioz-Gletscher, Alayskiy (Alai) Range, Tien-Shan-Gebirge, Tadschikistan
Copyright: Pavel M. Kartashov
Contribution: Philip Blümner 2009-05-02
Locality: Dara-i-Pioz (Darai-Pioz) / Republik-unterstellte Gebiete (Nohijahoi tobei Dschumhurij) / Tadschikistan
Dusmatovit
Views (File:
1264066950
): 678
Dusmatovit
Größe: 30x25 mm; Fundort: Dara-i-Pioz-Gletscher, Alayskiy (Alai) Range, Tien-Shan-Gebirge, Tadschikistan
Copyright: Paul Bongaerts; Contribution: Philip Blümner
Location: Tadschikistan/Republik-unterstellte Gebiete (Nohijahoi tobei Dschumhurij)/Dara-i-Pioz (Darai-Pioz)
Mineral: Dusmatovite
Image: 1264066950
Rating: 6 (votes: 1)
License: Usage for Mineralienatlas project only
Dusmatovit

Größe: 30x25 mm; Fundort: Dara-i-Pioz-Gletscher, Alayskiy (Alai) Range, Tien-Shan-Gebirge, Tadschikistan
Copyright: Paul Bongaerts
Contribution: Philip Blümner 2010-01-21
Locality: Dara-i-Pioz (Darai-Pioz) / Republik-unterstellte Gebiete (Nohijahoi tobei Dschumhurij) / Tadschikistan
Dusmatovit
Views (File:
1703874441
): 26
Dusmatovit
Blaue Dusmatovit-Aggregate (ohne Maßstab) von der Typlokalität Dara-i-Pioz Gletscher, Tien Shan Mts., Tadschikistan. Ex Van den Broucke Sammlung (sh.: https://www.mindat.org/mesg-560223.html).
Copyright: Wikipedia-user: David Hospital; Contribution: oliverOliver
Location: Tadschikistan/Republik-unterstellte Gebiete (Nohijahoi tobei Dschumhurij)/Dara-i-Pioz (Darai-Pioz)
Mineral: Dusmatovite
Image: 1703874441
License: Creative Commons - Attribution-ShareAlike 4.0 International  (CC BY-SA) V.4.0
Dusmatovit

Blaue Dusmatovit-Aggregate (ohne Maßstab) von der Typlokalität Dara-i-Pioz Gletscher, Tien Shan Mts., Tadschikistan. Ex Van den Broucke Sammlung (sh.: https://www.mindat.org/mesg-560223.html).
Copyright: Wikipedia-user: David Hospital
Contribution: oliverOliver 2023-12-29
Locality: Dara-i-Pioz (Darai-Pioz) / Republik-unterstellte Gebiete (Nohijahoi tobei Dschumhurij) / Tadschikistan

Collectors Summary

Color dunkelblau, graublau, violettbraun
Streak color hellblau
Hardness (Mohs) 4.5
Cleavages keine
Fracture uneben
Solubility ++ warme HF, - heiße HCl
Crystal System hexagonal, P6/mcc

Chemism

Chemical formula

K(K,Na)2(Zn,Li)3(Mn2+,Mn3+,Y,Zr)2[Si12O30]

Chemical composition

Lithium, Mangan, Natrium, Silicium, Yttrium, Zink, Zirconium, Kalium, Sauerstoff

Unit weight: 1198.92524533 u; Number of atoms in the formula: 50

Info

Empirical formula:

K(K0.75Na0.25)2(Zn0.75Li0.25)3(Mn0.55Mn0.3Y0.1Zr0.05)2[Si12O30]

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Lithium

Li

0.43

0.75

1.50

6.9412000

5.2059000
Oxygen

O

40.03

30

60.00

15.9994300

479.9829000
Sodium

Na

0.96

0.5

1.00

22.9897702

11.4948851
Silicon

Si

28.11

12

24.00

28.0855300

337.0263600
Potassium

K

8.15

2.5

5.00

39.0983100

97.7457750
Manganese

Mn

7.79

1.7

3.40

54.9380499

93.3946848
Zinc

Zn

12.28

2.25

4.50

65.4094000

147.1711500
Yttrium

Y

1.48

0.2

0.40

88.9058520

17.7811704
Zirconium

Zr

0.76

0.1

0.20

91.2242000

9.1224200

Analysis wt%

SiO2 : 64.40, ZrO2 : 1.55, FeO : 0.45, MnO : 8.78, Mn2O3 : 1.13, ZnO : 15.51, Y2O3 : 1.51, Yb2O3 : 0.54, K2O : 6.16, Na2O : 0.61, Li2O : 1.10 (Ref: Vestn. Moscow Univ.96)

Strunz 9th edition incl. updates

9.CM.05

9: Silikate (Germanate)
C: Ringsilikate (Cyclosilikate)
M: ~[Si6O18]12- sechser-Doppelringe
05:Milarit-Gruppe

Lapis Classification

VIII/E.22-135

VIII: SILIKATE
E: Ringsilikate
22: Doppelte Sechserringe [Si12O30] 12-; Milarit/Osumilith-Gruppe

Classification by Hölzel

9.CF.440

9: SILICATES
C: Cyclosilicates
F: ~[Si12O30]12--Rings Milarite-Group

Dana 8th edition

63.02.01a.11

63: Cyclosilicates Cyclosilicate Condensed Rings
02: Cyclosilicates Cyclosilicate Condensed Rings 6-membered rings
01a: Milarite - Osumilite group (Milarite - Osumilite subgroup)

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Osumilite Group

Optical Properties

Color

dunkelblau, graublau, violettbraun

Streak color

hellblau

max. Birefringence

0.004
Birefringence chart\! Dusmatovite title=Birefringence chart Dusmatovite

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

1.590

RI value γ / ε

1.586

Ri mean

1.589

2V angle

Uniaxial (-)

Crystallography

Crystal System

hexagonal

Class (H-M)

6/mmm

Space Group number

192

Space Group

P6/mcc

Cell parameters a (Å)

10.218

Cell parameters b (Å)

-

Cell parameters c (Å)

14.292

Cell parameters a/b or c/a

1.399

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

120°

Z

2

Volume (ų)

1292.276

X-Ray Powder Diffraction

7.13(30),
5.54(20),
4.15(40),
3.75(50),
3.25(100),
2.924(40),
2.777(30),
2.548(50)
XRD chart Dusmatovite

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

Crystals 3D

Open larger view

Physical Properties

Hardness (Mohs)

4.5

VHN (Hardness Vickers)

423 (100g)

Density (g/cm³)

2.96 (gemessen)

3.081 ( ρ calc. Mineralienatlas )

Cleavages

keine

Fracture

uneben

Tenacity

spröde

Instability

++ warme HF, - heiße HCl

(Co-)Type locality

(Co-)Type locality

Tadschikistan/Republik-unterstellte Gebiete (Nohijahoi tobei Dschumhurij)/Dara-i-Pioz (Darai-Pioz)

Preface

Author (Name, Year)

Pautov & Agakhanov & Ignatenko, 1996

References

Pautov, L.A., Agakhanov, A.A., Ignatenko, K.I. (1996): Dusmatovite, a new mineral of the milarite group. Vestnik Mosk. Universiteta, Ser 4(2), 54-60

Sokolova, E.V., Pautov, L.A (1995): Crystal structure of dusmatovite. Phys. Dokl. 40, 607-610

IMA group assignments

Other languages

German

Dusmatovit

Spanish

Dusmatovita

French

Dusmatovite

English

Dusmatovite

Russian

Дусматовит

Traditional Chinese

錳鋅大隅石

Simplified Chinese

锰锌大隅石

CNMNC (IMA)-Number

IMA 1994-010

CNMNC symbol

Symbol

Dus

Locations with GPS information

IDs

GUSID (Global unique identifier short form) _1IaDETGc0CItMcJ7yYVeg
GUID (Global unique identifier) 0C1A52FF-C644-4073-88B4-C709EF26157A
Database ID 981