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Labuntsovite-Mn

Pictures (27 Images total)

Labuntsovit-Mn
Views (File:
1221491287
): 1612, Rating: 8.88
Labuntsovit-Mn
Bildbreite: 3 mm; Fundort: Poudrette quarry, Mont Saint-Hilaire, Rouville Co., Québec, Kanada
Copyright: Stephan Wolfsried; Contribution: Hg
Location: Kanada/Québec/Montérégie, Region/La Vallée-du-Richelieu RCM/Mont Saint-Hilaire/Poudrette Quarry (Demix Quarry; Uni-Mix Quarry; Desourdy Quarry)
Mineral: Labuntsovite-Mn
Image: 1221491287
Rating: 8.88 (votes: 8)
License: Usage for Mineralienatlas project only
Labuntsovit-Mn

Bildbreite: 3 mm; Fundort: Poudrette quarry, Mont Saint-Hilaire, Rouville Co., Québec, Kanada

Copyright: Stephan Wolfsried
Contribution: Hg 2008-09-15
Locality: Poudrette Quarry (Demix Quarry; Uni-Mix Quarry; Desourdy Quarry) / Mont Saint-Hilaire / La Vallée-du-Richelieu RCM / Montérégie, Region / Québec / Kanada
Labuntsovit-Mn
Views (File:
1289502324
): 1271
Labuntsovit-Mn
Bildbreite: 4,2 mm, Fundort: Aris, Windhoek, Windhoek District, Khomas Region, Namibia; ein großes Aggregat parallel angeordneter Labuntsovit-Mn Kristalle; die weißen Gebilde sind mit großer Wahrscheinlichkeit Tsepinit-Na. Bei den winzigen roten Kristallen handelt es sich um Hilairit
Copyright: Joachim Esche; Contribution: thdun5
Location: Namibia/Khomas, Region/Windhoek-Land, Kreis/Aris/Aris-Steinbrüche (Ariskop Quarry; Railway Quarry)
Mineral: Labuntsovite-Mn
Image: 1289502324
Rating: 9 (votes: 1)
License: Usage for Mineralienatlas project only
Labuntsovit-Mn

Bildbreite: 4,2 mm, Fundort: Aris, Windhoek, Windhoek District, Khomas Region, Namibia; ein großes Aggregat parallel angeordneter Labuntsovit-Mn Kristalle; die weißen Gebilde sind mit großer Wahrsc...

Copyright: Joachim Esche
Contribution: thdun5 2010-11-11
Locality: Aris-Steinbrüche (Ariskop Quarry; Railway Quarry) / Aris / Windhoek-Land, Kreis / Khomas, Region / Namibia
Labuntsovit-Mn
Views (File:
1126633044
): 1151
Labuntsovit-Mn
Bildbreite: 3 mm; Fundort: Mont Saint-Hilaire
Copyright: Stephan Wolfsried; Contribution: JHM
Location: Kanada/Québec/Montérégie, Region/La Vallée-du-Richelieu RCM/Mont Saint-Hilaire/Poudrette Quarry (Demix Quarry; Uni-Mix Quarry; Desourdy Quarry)
Mineral: Labuntsovite-Mn
Image: 1126633044
Rating: 8 (votes: 2)
License: Usage for Mineralienatlas project only
Labuntsovit-Mn

Bildbreite: 3 mm; Fundort: Mont Saint-Hilaire

Copyright: Stephan Wolfsried
Contribution: JHM 2005-09-13
Locality: Poudrette Quarry (Demix Quarry; Uni-Mix Quarry; Desourdy Quarry) / Mont Saint-Hilaire / La Vallée-du-Richelieu RCM / Montérégie, Region / Québec / Kanada
Labuntsovit-(Mn)
Views (File:
1343934950
): 1319
Labuntsovit-(Mn)
Prismatische rotgoldene Kristalle, BB = 4,7 mm; Fundort: Mont Saint-Hilaire, Rouville Co., Québec, Kanada.
Copyright: Hannes Osterhammer; Contribution: Münchener Micromounter
Collection: Lithothek der Münchener Micromounter, Collection number: A025387, Donator: eschuhbauer
Location: Kanada/Québec/Montérégie, Region/La Vallée-du-Richelieu RCM/Mont Saint-Hilaire
Mineral: Labuntsovite-Mn
Image: 1343934950
Rating: 8 (votes: 2)
License: Usage for Mineralienatlas project only
Labuntsovit-(Mn) (SNr: A025387)

Prismatische rotgoldene Kristalle, BB = 4,7 mm; Fundort: Mont Saint-Hilaire, Rouville Co., Québec, Kanada.

Collection: Lithothek der Münchener Micromounter
Copyright: Hannes Osterhammer
Contribution: Münchener Micromounter 2012-08-02
Locality: Mont Saint-Hilaire / La Vallée-du-Richelieu RCM / Montérégie, Region / Québec / Kanada
Labuntsovit-Mn
Views (File:
1237997402
): 577
Labuntsovit-Mn
Bildbreite: 2 mm; Fundort: Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mont Saint-Hilaire, Rouville Co., Québec, Kanada
Copyright: Stephan Wolfsried; Contribution: Hg
Location: Kanada/Québec/Montérégie, Region/La Vallée-du-Richelieu RCM/Mont Saint-Hilaire/Poudrette Quarry (Demix Quarry; Uni-Mix Quarry; Desourdy Quarry)
Mineral: Labuntsovite-Mn
Image: 1237997402
Rating: 8 (votes: 1)
License: Usage for Mineralienatlas project only
Labuntsovit-Mn

Bildbreite: 2 mm; Fundort: Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mont Saint-Hilaire, Rouville Co., Québec, Kanada

Copyright: Stephan Wolfsried
Contribution: Hg 2009-03-25
Locality: Poudrette Quarry (Demix Quarry; Uni-Mix Quarry; Desourdy Quarry) / Mont Saint-Hilaire / La Vallée-du-Richelieu RCM / Montérégie, Region / Québec / Kanada
Labuntsovit-Mn
Views (File:
1287004876
): 940
Labuntsovit-Mn
Kristallgröße: 0,9 mm, Fundort: Aris, Windhoek, Windhoek District, Khomas Region, Namibia
Copyright: Luigi Mattei; Contribution: thdun5
Location: Namibia/Khomas, Region/Windhoek-Land, Kreis/Aris/Aris-Steinbrüche (Ariskop Quarry; Railway Quarry)
Mineral: Labuntsovite-Mn
Image: 1287004876
Rating: 8 (votes: 1)
License: Usage for Mineralienatlas project only
Labuntsovit-Mn

Kristallgröße: 0,9 mm, Fundort: Aris, Windhoek, Windhoek District, Khomas Region, Namibia

Copyright: Luigi Mattei
Contribution: thdun5 2010-10-13
Locality: Aris-Steinbrüche (Ariskop Quarry; Railway Quarry) / Aris / Windhoek-Land, Kreis / Khomas, Region / Namibia

You find additional specimen at the Geolitho Museum

Collectors Summary

Color orangebraun bis rotbraun / bräunlichgelb / farblos / rosarot
Streak color weiß
Lustre Glasglanz
Hardness (Mohs) 5 - 6
Cleavages vollkommen
Solubility ++ Säuren
Crystal System monoklin, C2/m
Morphology langprismatische und isometrische Kristalle; radialstrahlige bis garbenförmige Aggregate; auch typisch als Sphärolithe bis ca. 3 cm Durchmesser

Chemism

Chemical formula

Na4K4Mn2+2Ti8O4(Si4O12)4(OH)4·10-12H2O

Chemical composition

Mangan, Natrium, Silicium, Titan, Kalium, Sauerstoff, Wasserstoff

Unit weight: 2288.7021326 u; Number of atoms in the formula: 127

Info

Empirical formula:

Na4K4Mn2Ti8O4(Si4O12)4(OH)4·11H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

1.15

26

20.47

1.0079470

26.2066220

Oxygen

O

46.84

67

52.76

15.9994300

1,071.9618100

Sodium

Na

4.02

4

3.15

22.9897702

91.9590808

Silicon

Si

19.63

16

12.60

28.0855300

449.3684800

Potassium

K

6.83

4

3.15

39.0983100

156.3932400

Titanium

Ti

16.73

8

6.30

47.8671000

382.9368000

Manganese

Mn

4.80

2

1.57

54.9380499

109.8760998

Analysis wt%

SiO2 : 39.59, Al2O3 : 1.30, Fe2O3 : 1.56, Nb2O5 : 1.45, TiO2 : 25.49, MgO : 0.42, MnO : 2.34, CaO : 1.19, BaO : 8.61, K2O : 7.23, Na2O : 3.18, H2O : 7.91 (Ref: Doklady Akademiia Nauk, SSSR 55)

Strunz 9th edition incl. updates

9.CE.30

9: Silikate (Germanate)
C: Ringsilikate (Cyclosilikate)
E: [Si4O12]8- vierer-Einfachringe, ohne inselartige komplexe [Anionen]
30:Labuntsovit-Gruppe

Lapis Classification

VIII/E.07-155

VIII: SILIKATE
E: Ringsilikate
7: Viererringe [Si4O12] 8-; Labuntsovit-Gruppe

Classification by Hölzel

9.CB.400

9: SILICATES
C: Cyclosilicates
B: ~[Si4O12]8-, ~[Si4O10]4--Rings
4: Labuntsovite-Group - Monoclinic, c=~~15

Dana 8th edition

60.01.03e.01

60: Cyclosilicates Cyclosilicate Four-Membered Rings
01: Cyclosilicates Cyclosilicate Four-Membered Rings as Titanosilicates
03e: Labuntsovite Group (Labuntsovite subgroup Monoclinic [C2/m])

IMA status

Mit Anerkennung der CNMNC umbenannt

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

Labuntsovite supergroup  ⇒ Labuntsovite group

Optical Properties

Color

orangebraun bis rotbraun / bräunlichgelb / farblos / rosarot

Streak color

weiß

Diaphaneity (Transparency)

durchscheinend bis opak.

Lustre

Glasglanz

max. Birefringence

0.108

Birefringence chart\! Labuntsovite-Mn title=Birefringence chart Labuntsovite-Mn

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

1.684 - 1.695

RI value β

1.693 - 1.702

RI value γ / ε

1.792 - 1.825

Ri mean

1.732

2V angle

Biaxial (+) 20° - 44° (berechnet)

Orientation

X = b, Y ~ c, Z ~a

Absorption

Z > Y > X

Pleochroism

gelblich zu gelblichbraun

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

12

Space Group

C2/m

Cell parameters a (Å)

14.42

Cell parameters b (Å)

13.91

Cell parameters c (Å)

7.8

Cell parameters a/b or c/a

1.037

Cell parameters c/b

0.561

Cell parameters α

90°

Cell parameters β

116.9°

Cell parameters γ

90°

Z

1

Volume (ų)

1395.254

X-Ray Powder Diffraction

3.15(100),
3.09(80),
2.56(90),
2.47(70),
1.78(70),
1.677(80),
1.543(90),
1.413(90)

XRD chart Labuntsovite-Mn

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

Morphology

langprismatische und isometrische Kristalle; radialstrahlige bis garbenförmige Aggregate; auch typisch als Sphärolithe bis ca. 3 cm Durchmesser

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

5 - 6

Density (g/cm³)

2.793 (berechnet)

2.724 ( ρ calc. Mineralienatlas )

Cleavages

vollkommen

Tenacity

spröde

Radioactivity

nicht bekannt

Instability

++ Säuren

Preface

Associations

Albit, Natrolith

Rareness

selten

Name from

Benannt nach dem russischen Mineralogen Aleksander Nikolajewitsch Labuntsov und Ekaterina Eutiikkieva Labuntsov-Kostyleva.

Author (Name, Year)

Semenov & Burova, 1955

Relevance, Usage

nur zu Sammlerzwecken

References

Handbook of Mineralogy (Anthony et al.), 2 (1995), 444

Doklady Akademii Nauk SSSR 101 (1955), 1113

Crystallography Reports 43 (1998), 820-827

IMA group assignments



 
 
 
Na4K4Fe2+2Ti8O4(Si4O12)4(OH)4·10-12H2O
monoklin
C2/m

 
 
 
Na4K4Mg2Ti8O4(Si4O12)4(OH)4·10-12H2O
monoklin
C2/m

 
 
 
Na4K4Mn2+2Ti8O4(Si4O12)4(OH)4·10-12H2O
monoklin
C2/m

Refresh list

Actuality: 25. Feb 2024 - 16:43:45

Other languages

German

Labuntsovit-Mn

Spanish

Labuntsovita-Mn

English

Labuntsovite-Mn

French

Labuntsovite-Mn

Russian

Лабунцовит-Mn

Alternative Name

English

Labuntsovite (of Semenov and Burova)

Unnamed (MSH UK-5)

CNMNC symbol

Symbol

Lab-Mn

Locations with GPS information

IDs

GUSID (Global unique identifier short form) tjoFuPD0YUSNXVSb9TsZrw
GUID (Global unique identifier) B8053AB6-F4F0-4461-8D5D-549BF53B19AF
Database ID 2111