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Sogdianite (Sogdianit)

Pictures (7 Images total)

Sogdianit
Views (File:
1286967386
): 2031
Sogdianit
Bildbreite: 0,5 mm; Fundort: Dara-i-Pioz-Gletscher, Tien-Shan-Gebirge, Tadschikistan
Copyright: Christian Rewitzer; Contribution: Hg
Location: Tadschikistan/Republik-unterstellte Gebiete (Nohijahoi tobei Dschumhurij)/Dara-i-Pioz (Darai-Pioz)
Mineral: Sogdianite
Image: 1286967386
Rating: 8 (votes: 1)
License: Usage for Mineralienatlas project only
Sogdianit

Bildbreite: 0,5 mm; Fundort: Dara-i-Pioz-Gletscher, Tien-Shan-Gebirge, Tadschikistan

Copyright: Christian Rewitzer
Contribution: Hg 2010-10-13
Locality: Dara-i-Pioz (Darai-Pioz) / Republik-unterstellte Gebiete (Nohijahoi tobei Dschumhurij) / Tadschikistan
Sogdianit
Views (File:
1151216962
): 1524
Sogdianit
Fundort: Dara-i-Pioz, Tadjikistan (Typ-Lokalität)
Copyright: Collector; Contribution: Collector
Collection: Collector
Location: Tadschikistan/Republik-unterstellte Gebiete (Nohijahoi tobei Dschumhurij)/Dara-i-Pioz (Darai-Pioz)
Mineral: Sogdianite
Image: 1151216962
Rating: 7 (votes: 2)
License: Usage for Mineralienatlas project only
Sogdianit

Fundort: Dara-i-Pioz, Tadjikistan (Typ-Lokalität)

Collection: Collector
Copyright: Collector
Contribution: Collector 2006-06-25
Locality: Dara-i-Pioz (Darai-Pioz) / Republik-unterstellte Gebiete (Nohijahoi tobei Dschumhurij) / Tadschikistan
Sogdianit
Views (File:
1279873497
): 1398
Sogdianit
Spaltstück; Größe: 30x30x05 mm; Fundort: Dara-i-Pioz-Gletscher, Tien-Shan-Gebirge, Tadschikistan
Copyright: Pavel M. Kartashov; Contribution: slugslayer
Location: Tadschikistan/Republik-unterstellte Gebiete (Nohijahoi tobei Dschumhurij)/Dara-i-Pioz (Darai-Pioz)
Mineral: Sogdianite
Image: 1279873497
Rating: 7 (votes: 1)
License: Usage for Mineralienatlas project only
Sogdianit

Spaltstück; Größe: 30x30x05 mm; Fundort: Dara-i-Pioz-Gletscher, Tien-Shan-Gebirge, Tadschikistan

Copyright: Pavel M. Kartashov
Contribution: slugslayer 2010-07-23
Locality: Dara-i-Pioz (Darai-Pioz) / Republik-unterstellte Gebiete (Nohijahoi tobei Dschumhurij) / Tadschikistan
Sogdianit
Views (File:
1279873436
): 1236
Sogdianit
Bildbreite: 25 mm; Fundort: Dara-i-Pioz-Gletscher, Tien-Shan-Gebirge, Tadschikistan
Copyright: Pavel M. Kartashov; Contribution: slugslayer
Location: Tadschikistan/Republik-unterstellte Gebiete (Nohijahoi tobei Dschumhurij)/Dara-i-Pioz (Darai-Pioz)
Mineral: Sogdianite
Image: 1279873436
Rating: 6 (votes: 1)
License: Usage for Mineralienatlas project only
Sogdianit

Bildbreite: 25 mm; Fundort: Dara-i-Pioz-Gletscher, Tien-Shan-Gebirge, Tadschikistan

Copyright: Pavel M. Kartashov
Contribution: slugslayer 2010-07-23
Locality: Dara-i-Pioz (Darai-Pioz) / Republik-unterstellte Gebiete (Nohijahoi tobei Dschumhurij) / Tadschikistan
Sogdianit
Views (File:
1630747046
): 172
Sogdianit
Südafrika/Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Hotazel/Wessel's Mine (Wessels Mine). Bildbreite 4mm
Copyright: Ulrich Baumgärtl; Contribution: Ulrich Baumgärtl
Collection: Ulrich Baumgärtl
Location: Südafrika/Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Hotazel/Wessel's Mine (Wessels Mine)
Mineral: Sogdianite
Image: 1630747046
License: Usage for Mineralienatlas project only
Sogdianit

Südafrika/Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Hotazel/Wessel's Mine (Wessels Mine). Bildbreite 4mm

Collection: Ulrich Baumgärtl
Copyright: Ulrich Baumgärtl
Contribution: Ulrich Baumgärtl 2021-09-04
Locality: Wessel's Mine (Wessels Mine) / Hotazel / Kalahari Manganese Field / Nordkap (Northern Cape), Provinz / Südafrika
Sogdianit
Views (File:
1630747199
): 152
Sogdianit
Südafrika/Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Hotazel/Wessel's Mine (Wessels Mine). Bildbreiter 1,2 mm
Copyright: Ulrich Baumgärtl; Contribution: Ulrich Baumgärtl
Collection: Ulrich Baumgärtl
Location: Südafrika/Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Hotazel/Wessel's Mine (Wessels Mine)
Mineral: Sogdianite
Image: 1630747199
License: Usage for Mineralienatlas project only
Sogdianit

Südafrika/Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Hotazel/Wessel's Mine (Wessels Mine). Bildbreiter 1,2 mm

Collection: Ulrich Baumgärtl
Copyright: Ulrich Baumgärtl
Contribution: Ulrich Baumgärtl 2021-09-04
Locality: Wessel's Mine (Wessels Mine) / Hotazel / Kalahari Manganese Field / Nordkap (Northern Cape), Provinz / Südafrika

You find additional specimen at the Geolitho Museum

Collectors Summary

Color hellviolett
Lustre Glasglanz
Hardness (Mohs) 7
Crystal System hexagonal, P6/mcc
Morphology massive, tw. glasartige Massen

Chemism

Chemical formula

(K,Na)2(Li,Fe3+,Al)3ZrSi12O30

Chemical composition

Aluminium, Eisen, Lithium, Natrium, Silicium, Zirconium, Kalium, Sauerstoff

Unit weight: 1049.22511156 u; Number of atoms in the formula: 48

Info

Empirical formula:

(K0.75Na0.25)2(Li0.6Fe0.3Al0.1)3ZrSi12O30

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Lithium

Li

1.19

1.8

3.75

6.9412000

12.4941600

Oxygen

O

45.75

30

62.50

15.9994300

479.9829000

Sodium

Na

1.10

0.5

1.04

22.9897702

11.4948851

Aluminium

Al

0.77

0.3

0.63

26.9815382

8.0944615

Silicon

Si

32.12

12

25.00

28.0855300

337.0263600

Potassium

K

5.59

1.5

3.13

39.0983100

58.6474650

Iron

Fe

4.79

0.9

1.88

55.8452000

50.2606800

Zirconium

Zr

8.69

1

2.08

91.2242000

91.2242000

Analysis wt%

SiO2 : 68.83, ZrO2 : 9.78, TiO2 : 2.88, Al2O3 : 1.04, Fe2O3 : 4.61, FeO : 1.22, Li2O : 3.73, K2O : 4.84, Na2O : 2.81 (Ref: Doklady Akademiia Nauk, SSSR 68)

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.22-120

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

Classification by Hölzel

9.CF.300

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

Dana 8th edition

63.02.01a.13

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

hellviolett

Diaphaneity (Transparency)

transparent

Lustre

Glasglanz

max. Birefringence

0.002

Birefringence chart\! Sogdianite title=Birefringence chart Sogdianite

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

1.608

RI value γ / ε

1.606

Ri mean

1.607

2V angle

Uniaxial (-)

Optical Data Luminescence

Color SW-UV (254nm)

 

gelblich weiß

SW-UV Intensity

sehr stark

Most Common Activator

Ti - O

Afterglow (Persistant Luminescence)

keine Daten

Crystallography

Crystal System

hexagonal

Class (H-M)

6/mmm

Space Group number

192

Space Group

P6/mcc

Cell parameters a (Å)

10.053

Cell parameters b (Å)

-

Cell parameters c (Å)

14.211

Cell parameters a/b or c/a

1.414

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

120°

Z

2

Volume (ų)

1243.789

X-Ray Powder Diffraction

4.50(60),
4.08(90),
3.19(100),
2.89(100),
1.834(80),
1.514(70),
1.323(80),
1.097(70)

XRD chart Sogdianite

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

Morphology

massive, tw. glasartige Massen

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

7

VHN (Hardness Vickers)

1300 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.9

2.801 ( ρ calc. Mineralienatlas )

Radioactivity

äußerst gering

Preface

Occurrences

In Alkalipegmatiten

Associations

Darapiosit

Rareness

selten

Author (Name, Year)

Dusmatov & Efimov & Kataeva & Khoroshilova & Yanulov, 1968

Additional Information

Cyclosilikat; Milarit-Osumilit Subgruppe

References

Handbook of Mineralogy (Anthony et al.), 2 (1995), 742

IMA group assignments


 
 
YCaKBe3Si12O30·H2O
hexagonal
P6/mcc

 
 
(K,Na)(Mn2+,Fe2+,Mg)2(Be,Al)3[Si12O30]
hexagonal
P6/mcc

 
 
KNa2Al2Li3Si12O30
hexagonal
P6/mcc

 
 
BaCa2Al6Si9O30·2 H2O
orthorhombisch
Pnc2

 
 
KLi3Ti2[Si12O30]
hexagonal
P6/mcc

 
 
KSn2Li3Si12O30
hexagonal
P6/mcc

 
 
KNa2Li(Mn,Zn)2ZrSi12O30
hexagonal
P6/mcc

 
 
K(K,Na)2(Zn,Li)3(Mn2+,Mn3+,Y,Zr)2[Si12O30]
hexagonal
P6/mcc

 
 
KNa3Mg4Si12O30
hexagonal
P6/mcc

 
 
K(☐Na)Mg2(Be2Mg)Si12O30
hexagonal
P6/mcc

 
 
KNaFe2Zn3[Si12O30]
hexagonal
P63/mmc

 
 
Mg2K(Be2Al)Si12O30
hexagonal
P6/mcc

 
 
(K,Na)2(Fe2+,Mg)5Si12O30
hexagonal
P6/mcc

 
 
KCa2(Be2AlSi12)O30·H2O
hexagonal
P6/mcc

 
 
(K,Na)(Fe2+,Mg)2(Al,Fe3+)3(Si,Al)12O30
hexagonal
P6/mcc

 
 
KMg2Al3(Al2Si10)O30
hexagonal
P6/mcc

 
 
KNa2B3Si12O30
hexagonal
P6/mcc

 
 
KNaMg2(Mg3Si12)O30
hexagonal
P62c

 
 
K<3(Ca,Mn,Na)2Zn3[Si12O30]
hexagonal
P6/mcc

 
 
(K,Na)2(Li,Fe3+,Al)3ZrSi12O30
hexagonal
P6/mcc

 
 
KNa2(Fe2+,Mn2+,Al)2Li3Si12O30
hexagonal
P6/mmc

 
 
(Fe,Mg)2(Mg,Fe)3(Si12O30)
hexagonal
P6/mcc

 
 
NaMg2(AlMg2Si12)O30
hexagonal
P6/mcc

Refresh list

Actuality: 13. May 2024 - 21:33:34

Other languages

German

Sogdianit

Spanish

Sogdianita

French

Sogdianite

English

Sogdianite

Russian

Согдианит

Traditional Chinese

鋯鋰大隅石

Simplified Chinese

锆锂大隅石

CNMNC symbol

Symbol

Sog

Locations with GPS information

IDs

GUSID (Global unique identifier short form) LRodfPK5YEKv3Xt502nqKg
GUID (Global unique identifier) 7C1D1A2D-B9F2-4260-AFDD-7B79D369EA2A
Database ID 3569