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Norbergite

Pictures (14 Images total)

Zirkon (braun) mit Norbergit (gelb) auf Spinell (schwarz)
Views (File:
1252349749
): 2557
Zirkon (braun) mit Norbergit (gelb) auf Spinell (schwarz)
Bildbreite: 5 mm; Fundort: Limecrest Quarry, Sparta Township, Sussex Co., New Jersey, USA
Copyright: Joachim Esche; Contribution: slugslayer
Location: USA/New Jersey/Sussex Co./Sparta Township/Limecrest Quarry (Limecrest-Southdown quarry)
Mineral: Norbergite, Spinel, Zircon
Image: 1252349749
Rating: 9 (votes: 2)
License: Usage for Mineralienatlas project only
Zirkon (braun) mit Norbergit (gelb) auf Spinell (schwarz)

Bildbreite: 5 mm; Fundort: Limecrest Quarry, Sparta Township, Sussex Co., New Jersey, USA

Copyright: Joachim Esche
Contribution: slugslayer 2009-09-07
Locality: Limecrest Quarry (Limecrest-Southdown quarry) / Sparta Township / Sussex Co. / New Jersey / USA
Norbergit
Views (File:
1182606359
): 1639
Norbergit
Norbergit xx bis 4mm in Matrix; Fundort: Franklin, Sussex Co., New Jersey, USA;
Copyright: thannator; Contribution: thannator
Location: USA/New Jersey/Sussex Co./Franklin Mining District
Mineral: Norbergite
Image: 1182606359
Rating: 5 (votes: 1)
License: Usage for Mineralienatlas project only
Norbergit

Norbergit xx bis 4mm in Matrix; Fundort: Franklin, Sussex Co., New Jersey, USA;

Copyright: thannator
Contribution: thannator 2007-06-23
Locality: Franklin Mining District / Sussex Co. / New Jersey / USA
Norbergit
Views (File:
1182607156
): 1486
Norbergit
Gesamte Stufe, ca. 8cm breit; Fundort: Franklin, Sussex Co., New Jersey, USA;
Copyright: thannator; Contribution: thannator
Location: USA/New Jersey/Sussex Co./Franklin Mining District
Mineral: Norbergite
Image: 1182607156
Rating: 5 (votes: 1)
License: Usage for Mineralienatlas project only
Norbergit

Gesamte Stufe, ca. 8cm breit; Fundort: Franklin, Sussex Co., New Jersey, USA;

Copyright: thannator
Contribution: thannator 2007-06-23
Locality: Franklin Mining District / Sussex Co. / New Jersey / USA
Norbergit
Views (File:
1278148903
): 1138
Norbergit
Bildbreite: 6 mm, Fundort: Steinbruch San Vito, San Vito, Ercolano, Monte Somma, Somma-Vesuv-Komplex, Neapel, Kampanien, Italien
Copyright: Luigi Chiappino; Contribution: thdun5
Location: Italien/Kampanien (Campania), Region/Neapel, Provinz/Somma-Vesuv-Komplex/Monte Somma/Ercolano/San Vito/Steinbruch San Vito (Cava San Vito)
Mineral: Norbergite
Image: 1278148903
License: Usage for Mineralienatlas project only
Norbergit

Bildbreite: 6 mm, Fundort: Steinbruch San Vito, San Vito, Ercolano, Monte Somma, Somma-Vesuv-Komplex, Neapel, Kampanien, Italien

Copyright: Luigi Chiappino
Contribution: thdun5 2010-07-03
Locality: Steinbruch San Vito (Cava San Vito) / San Vito / Ercolano / Monte Somma / Somma-Vesuv-Komplex / Neapel, Provinz / Kampanien (Campania), Region / Italien
Norbergit
Views (File:
1299168573
): 935
Norbergit
Größe: 1,45 mm; Fundort: Steinbruch San Vito, San Vito, Ercolano, Monte Somma, Somma-Vesuv-Komplex, Neapel, Kampanien, Italien
Copyright: Enrico Bonacina; Contribution: Hg
Location: Italien/Kampanien (Campania), Region/Neapel, Provinz/Somma-Vesuv-Komplex/Monte Somma/Ercolano/San Vito/Steinbruch San Vito (Cava San Vito)
Mineral: Norbergite
Image: 1299168573
License: Usage for Mineralienatlas project only
Norbergit

Größe: 1,45 mm; Fundort: Steinbruch San Vito, San Vito, Ercolano, Monte Somma, Somma-Vesuv-Komplex, Neapel, Kampanien, Italien

Copyright: Enrico Bonacina
Contribution: Hg 2011-03-03
Locality: Steinbruch San Vito (Cava San Vito) / San Vito / Ercolano / Monte Somma / Somma-Vesuv-Komplex / Neapel, Provinz / Kampanien (Campania), Region / Italien
Norbergit
Views (File:
1401217517
): 333
Norbergit
Blockiger brauner Kristall, BB = 10 mm. Fundort: Franklin, Franklin Mining District, Sussex Co., New Jersey, USA.
Copyright: Manfred Früchtl; Contribution: Münchener Micromounter
Collection: Lithothek der Münchener Micromounter, Collection number: A003338, Donator: Klaus Fleck
Location: USA/New Jersey/Sussex Co./Franklin Mining District/Franklin
Mineral: Norbergite
Image: 1401217517
License: Usage for Mineralienatlas project only
Norbergit (SNr: A003338)

Blockiger brauner Kristall, BB = 10 mm. Fundort: Franklin, Franklin Mining District, Sussex Co., New Jersey, USA.

Collection: Lithothek der Münchener Micromounter
Copyright: Manfred Früchtl
Contribution: Münchener Micromounter 2014-05-27
Locality: Franklin / Franklin Mining District / Sussex Co. / New Jersey / USA

You find additional specimen at the Geolitho Museum

Collectors Summary

Color weiß, gelb, braun, rot
Streak color weiß
Solubility +++ HF, konz. heiße H2SO4, + HCl, Ultraschallbad!
Crystal System orthorhombisch, Pnam

Chemism

Chemical formula

Mg3(SiO4)F2

Chemical composition

Magnesium, Silicium, Fluor, Sauerstoff

Unit weight: 202.9952365 u; Number of atoms in the formula: 10

Info

Empirical formula:

Mg3(SiO4)F2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Oxygen

O

31.53

4

40.00

15.9994300

63.9977200

Fluorine

F

18.72

2

20.00

18.9984033

37.9968065

Magnesium

Mg

35.92

3

30.00

24.3050600

72.9151800

Silicon

Si

13.84

1

10.00

28.0855300

28.0855300

Analysis wt%

SiO2 : 29.74, MgO : 58.73, TiO2 : 0.42, F : 16.77, OH : 1.44, H2O : 0.76 (Ref: American Mineralogist 69)

Strunz 9th edition incl. updates

9.AF.40

9: Silikate (Germanate)
A: Inselsilikate (Nesosilikate)
F: Insel(Neso)silikate mit zusätzlichem Anionen; Kationen in [4], [5] und/oder nur [6] Koordination
40:Norbergit-Gruppe

Lapis Classification

VIII/B.04-010

VIII: SILIKATE
B: Inselsilikate mit tetraederfremden Anionen
4: Kationen in tetraedrischer oder oktaedrischer Koordination [4/6]; Humit-Gruppe

Classification by Hölzel

9.AI.200

9: SILICATES
A: Nesosilicates
I: Nesosilicates with OH
2: Norbergite-Group

Dana 8th edition

52.03.02a.01

52: Nesosilicates Nesosilicate Insular SiO4 Groups and O, OH, F, and H2O
03: Nesosilicates Nesosilicate Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] coordination only
02a: Humite group

IMA status

Erstbeschreibung vor CNMNC-Gründung (1959), als Mineral meist anerkannt

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

Humite polysomatic series

Optical Properties

Color

weiß, gelb, braun, rot

Streak color

weiß

Diaphaneity (Transparency)

transparent bis durchscheinend

max. Birefringence

0.025

Birefringence chart\! Norbergite title=Birefringence chart Norbergite

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

1.559

RI value β

1.564

RI value γ / ε

1.584

Ri mean

1.569

2V angle

Biaxial (+) 50°~

Optical Data Luminescence

Luminescence

Norbergit unter Normal- u. KW-UV-Licht
Norbergit unter Normal- u. KW-UV-Licht
Norbergit in Calcit, Fluoreszenz unter kurzwelligem UV-Licht, Limecrest Qarry, Sparta Township, Sussex Co., New Jersey, USA, 82 x 46 x 29 mm
Copyright: Embarak; Contribution: Embarak
Collection: Embarak
Location: USA/New Jersey/Sussex Co./Sparta Township/Limecrest Quarry (Limecrest-Southdown quarry)
Mineral: Norbergite
Image: 1404568391
License: Usage for Mineralienatlas project only
Norbergit unter Normal- u. KW-UV-Licht

fluoreszierend

Color LW-UV (365nm)

 

orangegelb

Color SW-UV (254nm)

 

gelb

SW-UV Intensity

mittel

Most Common Activator

TiO6

Afterglow (Persistant Luminescence)

keine Daten

Image ⇒ Luminescence ⇒ excitation ⇒ UV shortwave ~254nm (1 Images total)

Norbergit unter Normal- u. KW-UV-Licht
Views (File:
1404568391
): 351
Norbergit unter Normal- u. KW-UV-Licht
Norbergit in Calcit, Fluoreszenz unter kurzwelligem UV-Licht, Limecrest Qarry, Sparta Township, Sussex Co., New Jersey, USA, 82 x 46 x 29 mm
Copyright: Embarak; Contribution: Embarak
Collection: Embarak
Location: USA/New Jersey/Sussex Co./Sparta Township/Limecrest Quarry (Limecrest-Southdown quarry)
Mineral: Norbergite
Image: 1404568391
License: Usage for Mineralienatlas project only
Norbergit unter Normal- u. KW-UV-Licht

Norbergit in Calcit, Fluoreszenz unter kurzwelligem UV-Licht, Limecrest Qarry, Sparta Township, Sussex Co., New Jersey, USA, 82 x 46 x 29 mm

Collection: Embarak
Copyright: Embarak
Contribution: Embarak 2014-07-05
Locality: Limecrest Quarry (Limecrest-Southdown quarry) / Sparta Township / Sussex Co. / New Jersey / USA

Crystallography

Crystal System

orthorhombisch

Class (H-M)

mmm

Space Group number

62

Space Group

Pnam

Cell parameters a (Å)

4.710

Cell parameters b (Å)

10.272

Cell parameters c (Å)

8.478

Cell parameters a/b or c/a

0.459

Cell parameters c/b

0.825

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

4

Volume (ų)

410.175

X-Ray Powder Diffraction

4.371(30),
3.058(100),
2.639(70),
2.408(30),
2.337(30),
2.255(70),
2.230(80),
1.724(50)

XRD chart Norbergite

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

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

VHN (Hardness Vickers)

850 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

3.1 - 3.2 / Durchschnittlich = 3.15

3.287 ( ρ calc. Mineralienatlas )

Instability

+++ HF, konz. heiße H2SO4, + HCl, Ultraschallbad!

Preface

Author (Name, Year)

Geijer, 1926

References

Handbook of Mineralogy (Anthony et al.), 2 (1995), 587

IMA group assignments


 
 
Mg5(SiO4)2F2
monoklin
P21/a

 
 
Mg9(SiO4)4F2
monoklin
P21/a

 
 
Mg7(SiO4)3(F,OH)2
orthorhombisch
Pbnm

 
 
Mg5(SiO4)2(OH)2
monoklin
P21/c

 
 
Mg9(SiO4)4(OH)2
monoklin
P21/a

 
 
Mg3(SiO4)F2
orthorhombisch
Pnam

Refresh list

Actuality: 22. Mar 2024 - 17:47:09

Other languages

German

Norbergit

Spanish

Norbergita

French

Norbergite

English

Norbergite

Russian

Норбергит

Simplified Chinese

块硅镁石

Alternative Name

German

Grothin

English

Grothine

CNMNC symbol

Symbol

Nrb

Locations with GPS information

IDs

GUSID (Global unique identifier short form) A1vASgxdM0SGWj8vWNV8rA
GUID (Global unique identifier) 4AC05B03-5D0C-4433-865A-3F2F58D57CAC
Database ID 2776