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Norsethite (Norsethit)

Pictures (3 Images total)

Norsethit
Views (File:
1164715237
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Norsethit
Fundort Kremikovtsi, Sofia, Bulgarien
Copyright: Stephan Wolfsried; Contribution: Hg
Location: Bulgarien/Sofia-Stadt, Oblast/Kremikowzi (Kremikovtsi)
Mineral: Norsethite
Image: 1164715237
Rating: 8 (votes: 1)
License: Usage for Mineralienatlas project only
Norsethit

Fundort Kremikovtsi, Sofia, Bulgarien
Copyright: Stephan Wolfsried
Contribution: Hg 2006-11-28
Locality: Kremikowzi (Kremikovtsi) / Sofia-Stadt, Oblast / Bulgarien
Norsethit
Views (File:
1266750785
): 1352
Norsethit
Bildbreite: 10 mm; Fundort: Bezirk Kremikowzi, Stadt Sofia, Bulgarien
Copyright: slugslayer; Contribution: slugslayer
Collection: giantcrystal
Location: Bulgarien/Sofia-Stadt, Oblast/Kremikowzi (Kremikovtsi)
Mineral: Norsethite
Image: 1266750785
License: Usage for Mineralienatlas project only
Norsethit

Bildbreite: 10 mm; Fundort: Bezirk Kremikowzi, Stadt Sofia, Bulgarien
Collection: giantcrystal
Copyright: slugslayer
Contribution: slugslayer 2010-02-21
Locality: Kremikowzi (Kremikovtsi) / Sofia-Stadt, Oblast / Bulgarien
Norsethit
Views (File:
1353876602
): 1169
Norsethit
Bildbreite: 2 mm; 3 XX Fundort: Richelsdorfer Hütte, Wildeck - Richelsdorf, Richelsdorfer Gebirge, Hessen, Deutschland.
Copyright: Steinkautz; Contribution: Steinkautz
Collection: Steinkautz
Location: Deutschland/Hessen/Kassel, Bezirk/Hersfeld-Rotenburg, Landkreis/Richelsdorfer Gebirge/Verhüttungsplätze/Richelsdorfer Hütte
Mineral: Norsethite
Image: 1353876602
License: Usage for Mineralienatlas project only
Norsethit

Bildbreite: 2 mm; 3 XX Fundort: Richelsdorfer Hütte, Wildeck - Richelsdorf, Richelsdorfer Gebirge, Hessen, Deutschland.
Collection: Steinkautz
Copyright: Steinkautz
Contribution: Steinkautz 2012-11-25
Locality: Richelsdorfer Hütte / Verhüttungsplätze / Richelsdorfer Gebirge / Hersfeld-Rotenburg, Landkreis / Kassel, Bezirk / Hessen / Deutschland

You find additional Norsethit specimen at the Geolitho Museum

Collectors Summary

Color farblos, weiß
Streak color weiß
Hardness (Mohs) 3.5
Solubility +++ Säuren
Crystal System trigonal, R3m

Chemism

Chemical formula

BaMg(CO3)2

Chemical composition

Barium, Magnesium, Kohlenstoff, Sauerstoff

Unit weight: 281.6509 u; Number of atoms in the formula: 10

Info

Empirical formula:

BaMg(CO3)2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Carbon

C

8.53

2

20.00

12.0107800

24.0215600
Oxygen

O

34.08

6

60.00

15.9994300

95.9965800
Magnesium

Mg

8.63

1

10.00

24.3050600

24.3050600
Barium

Ba

48.76

1

10.00

137.3277000

137.3277000

Strunz 9th edition incl. updates

5.AB.30

5: Carbonate (Carbonate, Nitrate)
A: Carbonate ohne weitere Anionen, ohne H2O
B: Alkali-Erden- (und andere M2*) Carbonate
30:Norsethit-Gruppe

Lapis Classification

V/B.03-050

V: NITRATE, CARBONATE UND BORATE
B: Wasserfreie Carbonate [CO3] 2-, ohne fremde Anionen
3: Dolomit-Gruppe

Classification by Hölzel

5.AB.260

5: CARBONATES NITRATES ARSENITES SULFITES SELENITES TELLURITES IODATES
A: Carbonates (-Anions -Water)
B: Carbonates: hexagonal or trigonal
2: Double Carbonates - Dolomite-Group

Dana 8th edition

14.02.02.01

14: Anhydrous Carbonates
02: Anhydrous Carbonates with Compound Formula A+ B++ (CO3)2
02: Norsethite Group

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Dolomite group

Optical Properties

Color

farblos, weiß

Streak color

weiß

Diaphaneity (Transparency)

transparent bis durchscheinend

max. Birefringence

0.175
Birefringence chart\! Norsethite title=Birefringence chart Norsethite

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

1.694

RI value γ / ε

1.519

Ri mean

1.636

2V angle

Uniaxial (-)

Optical Data Luminescence

Color LW-UV (365nm)

  

orange

Color SW-UV (254nm)

  

rot

LW-UV Other Colors

    

orangerot, lachsrosa

Afterglow (Persistant Luminescence)

keine Daten

Crystallography

Crystal System

trigonal

Class (H-M)

3m

Space Group number

166

Space Group

R3m

Cell parameters a (Å)

5.02

Cell parameters b (Å)

-

Cell parameters c (Å)

16.75

Cell parameters a/b or c/a

3.337

Cell parameters c/b

-

Z

3

Volumne (ų)

365.555

X-Ray Powder Diffraction

4.210(30),
3.860(30),
3.015(100),
2.656(30),
2.512(30),
2.104(30),
1.931(30),
1.864(30)
XRD chart Norsethite

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

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

3.5

VHN (Hardness Vickers)

130 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

3.837

3.838 ( ρ calc. Mineralienatlas )

Instability

+++ Säuren

(Co-)Type locality

(Co-)Type locality

USA/Wyoming/Sweetwater Co./Green River Formation/FMC Green River Trona Mine (Westvaco Mine)

Preface

Author (Name, Year)

Mrose & Chao & Fahey & Milton, 1961

References

American Mineralogist 46 (1961), 420

T. Pippinger, R. Miletich, H. Effenberger, G. Hofer, P. Lotti, M. Merlini: High-pressure polymorphism and structural transitions of norsethite, BaMg(CO3)2. Physics and Chemistry of Minerals Volume 41, Issue 10 (2014) S.737-755.

IMA group assignments

Other languages

German

Norsethit

Spanish

Norsethita

French

Norsethite

English

Norsethite

Russian

Норсетит

Traditional Chinese

菱鋇鎂石

Simplified Chinese

菱钡镁石

CNMNC symbol

Symbol

Nst

Locations with GPS information