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Pachnolite

Pictures (18 Images total)

Pachnolith
Views (File:
1245842246
): 2977, Rating: 9
Pachnolith
Bildbreite: 1,5 mm; Fundort: Kryolithlagerstätte, Ivigtut, Kitaa, Grönland
Copyright: Christian Rewitzer; Contribution: Hg
Location: Grönland/Kommuneqarfik Sermersooq/Ivittuut (Ivigtut)/Kryolithlagerstätte (Cryolite deposit)
Mineral: Pachnolite
Image: 1245842246
Rating: 9 (votes: 7)
License: Usage for Mineralienatlas project only
Pachnolith

Bildbreite: 1,5 mm; Fundort: Kryolithlagerstätte, Ivigtut, Kitaa, Grönland
Copyright: Christian Rewitzer
Contribution: Hg 2009-06-24
Locality: Kryolithlagerstätte (Cryolite deposit) / Ivittuut (Ivigtut) / Kommuneqarfik Sermersooq / Grönland
Pachnolith
Views (File:
1167319523
): 1255, Rating: 7.5
Pachnolith
Bildbreite: 8 mm; Fundort: Kryolithlagerstätte, Ivigtut, Kitaa, Grönland
Copyright: Stephan Wolfsried; Contribution: Hg
Location: Grönland/Kommuneqarfik Sermersooq/Ivittuut (Ivigtut)/Kryolithlagerstätte (Cryolite deposit)
Mineral: Pachnolite
Image: 1167319523
Rating: 7.5 (votes: 4)
License: Usage for Mineralienatlas project only
Pachnolith

Bildbreite: 8 mm; Fundort: Kryolithlagerstätte, Ivigtut, Kitaa, Grönland
Copyright: Stephan Wolfsried
Contribution: Hg 2006-12-28
Locality: Kryolithlagerstätte (Cryolite deposit) / Ivittuut (Ivigtut) / Kommuneqarfik Sermersooq / Grönland
Pachnolith auf Thomsenolith
Views (File:
1287255832
): 1396
Pachnolith auf Thomsenolith
Kristallgröße: 2,55 mm; Fundort: Kryolithlagerstätte, Ivigtut, Kitaa, Kommuneqarfik Sermersooq, Grönland
Copyright: Matteo Chinellato; Contribution: Philip Blümner
Collection: Domenico Preite
Location: Grönland/Kommuneqarfik Sermersooq/Ivittuut (Ivigtut)/Kryolithlagerstätte (Cryolite deposit)
Mineral: Pachnolite
Image: 1287255832
Rating: 8 (votes: 2)
License: Usage for Mineralienatlas project only
Pachnolith auf Thomsenolith

Kristallgröße: 2,55 mm; Fundort: Kryolithlagerstätte, Ivigtut, Kitaa, Kommuneqarfik Sermersooq, Grönland
Collection: Domenico Preite
Copyright: Matteo Chinellato
Contribution: Philip Blümner 2010-10-16
Locality: Kryolithlagerstätte (Cryolite deposit) / Ivittuut (Ivigtut) / Kommuneqarfik Sermersooq / Grönland
Pachnolith
Views (File:
1281251213
): 1209
Pachnolith
Bildbreite: 4,2 mm; Fundort: Ivigtut, Kitaa, Kommuneqarfik Sermersooq, Grönland
Copyright: Joachim Esche; Contribution: Philip Blümner
Location: Grönland/Kommuneqarfik Sermersooq/Ivittuut (Ivigtut)
Mineral: Pachnolite
Image: 1281251213
Rating: 8 (votes: 1)
License: Usage for Mineralienatlas project only
Pachnolith

Bildbreite: 4,2 mm; Fundort: Ivigtut, Kitaa, Kommuneqarfik Sermersooq, Grönland
Copyright: Joachim Esche
Contribution: Philip Blümner 2010-08-08
Locality: Ivittuut (Ivigtut) / Kommuneqarfik Sermersooq / Grönland
Pachnolith
Views (File:
1512239482
): 606
Pachnolith
BB: 2,4 mm, Pachnolith, Grönland/Kommuneqarfik; Sermersooq/Ivittuut (Ivigtut)/Kryolithlagerstätte
Copyright: Harald Biecker; Contribution: Harald Biecker
Collection: Harald Biecker
Location: Grönland/Kommuneqarfik Sermersooq/Ivittuut (Ivigtut)/Kryolithlagerstätte (Cryolite deposit)
Mineral: Pachnolite
Image: 1512239482
Rating: 8 (votes: 1)
License: Usage for Mineralienatlas project only
Pachnolith

BB: 2,4 mm, Pachnolith, Grönland/Kommuneqarfik; Sermersooq/Ivittuut (Ivigtut)/Kryolithlagerstätte
Collection: Harald Biecker
Copyright: Harald Biecker
Contribution: Harald Biecker 2017-12-02
Locality: Kryolithlagerstätte (Cryolite deposit) / Ivittuut (Ivigtut) / Kommuneqarfik Sermersooq / Grönland

You find additional specimen at the Geolitho Museum

Collectors Summary

Color farblos, weiß
Lustre Glasglanz
Hardness (Mohs) 3
Solubility ++ H2SO4
Crystal System monoklin, F2/d

Chemism

Chemical formula

NaCaAlF6·H2O

Chemical composition

Aluminium, Calcium, Natrium, Fluor, Sauerstoff, Wasserstoff

Unit weight: 222.0554519 u; Number of atoms in the formula: 12

Info

Empirical formula:

NaCaAlF6·H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

0.91

2

16.67

1.0079470

2.0158940
Oxygen

O

7.21

1

8.33

15.9994300

15.9994300
Fluorine

F

51.33

6

50.00

18.9984033

113.9904195
Sodium

Na

10.35

1

8.33

22.9897702

22.9897702
Aluminium

Al

12.15

1

8.33

26.9815382

26.9815382
Calcium

Ca

18.05

1

8.33

40.0784000

40.0784000

Strunz 9th edition incl. updates

3.CB.40

3: Halide (Fluoride, Chloride, Bromide, Iodide)
C: Komplexe Halogenide
B: Insel-Aluminofluoride (Neso-Aluminofluoride)
40:Thomsenolith-Gruppe

Lapis Classification

III/C.02-010

III: HALOGENIDE (Fluoride, Chloride, Bromide, Jodide)
C: Doppelhalogenide (meist mit OH,H2O)
2: Fluoride

Classification by Hölzel

3.DF.110

3: HALIDES
D: Complex Halides
F: Thomsenolite-Pachnolite-Group

Dana 8th edition

11.06.05.01

11: Halide Complexes; Alumino-fluorides
06: Halide Complexes; Alumino-fluorides with miscellaneous formulae

IMA status

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

Mineral status

anerkanntes Mineral

Optical Properties

Color

farblos, weiß

Diaphaneity (Transparency)

transparent, durchscheinend

Lustre

Glasglanz

max. Birefringence

0.013
Birefringence chart\! Pachnolite title=Birefringence chart Pachnolite

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

1.4065 - 1.411

RI value β

1.4104 - 1.413

RI value γ / ε

1.4191 - 1.420

Ri mean

1.413

2V angle

Biaxial (+) 66.3° - 76° (gemessen)

Orientation

X = b, Z ^ c = 69

Dispersion

r < v

Optical Data Luminescence

Color LW-UV (365nm)

  

grünlich

Most Common Activator

n[TiO6]-Gruppe

Afterglow (Persistant Luminescence)

keine Daten

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

15

Space Group

F2/d

Cell parameters a (Å)

12.117

Cell parameters b (Å)

10.414

Cell parameters c (Å)

15.680

Cell parameters a/b or c/a

1.164

Cell parameters c/b

1.506

Cell parameters α

90°

Cell parameters β

90.37

Cell parameters γ

90°

Z

16

Volume (ų)

1978.562

X-Ray Powder Diffraction

3.95(100),
3.26(10),
3.02(20),
2.92(10),
2.79(70),
2.40(10),
2.16(50),
1.971(90)
XRD chart Pachnolite

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

VHN (Hardness Vickers)

83 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.983 (gemessen)

2.982 ( ρ calc. Mineralienatlas )

Instability

++ H2SO4

(Co-)Type locality

(Co-)Type locality

Grönland/Kommuneqarfik Sermersooq/Ivittuut (Ivigtut)/Kryolithlagerstätte (Cryolite deposit)

Preface

Author (Name, Year)

Knop, 1863

References

Handbook of Mineralogy (Anthony et al.), 3 (1997), 417

Other languages

Spanish

Pachnolita

English

Pachnolite

French

Pachnolite

German

Pachnolith

Russian

Пахнолит

Alternative Name

German

Pyroconit

Spanish

Pyroconita

Pyroconite

CNMNC symbol

Symbol

Phn

Locations with GPS information

IDs

GUSID (Global unique identifier short form) 6JTbe0AF802_lAKe33GQYQ
GUID (Global unique identifier) 7BDB94E8-0540-4DF3-BF94-029EDF719061
Database ID 2882