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Jasmundite

Pictures (3 Images total)

Jasmundit
Views (File:
1174919228
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Jasmundit
Bildbreite: 3 mm; Fundort Stbr. Caspar, Ettringer Bellerberg, Ettringen, Mayen, Eifel
Copyright: Stephan Wolfsried; Contribution: Hg
Location: Deutschland/Rheinland-Pfalz/Mayen-Koblenz-Kreis/Mayen/Ettringen/Bellerberg/Ettringer Bellerberg (Stbr. Caspar)
Mineral: Jasmundite
Image: 1174919228
Rating: 8 (votes: 1)
License: Usage for Mineralienatlas project only
Jasmundit

Bildbreite: 3 mm; Fundort Stbr. Caspar, Ettringer Bellerberg, Ettringen, Mayen, Eifel
Copyright: Stephan Wolfsried
Contribution: Hg 2007-03-26
Locality: Ettringer Bellerberg (Stbr. Caspar) / Bellerberg / Ettringen / Mayen / Mayen-Koblenz-Kreis / Rheinland-Pfalz / Deutschland
Jasmundit
Views (File:
1185115815
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Jasmundit
Bildbreite: 3 mm; Fundort: Stbr. Caspar, Ettringer Bellerberg, Ettringen, Mayen, Eifel
Copyright: Stephan Wolfsried; Contribution: Hg
Location: Deutschland/Rheinland-Pfalz/Mayen-Koblenz-Kreis/Mayen/Ettringen/Bellerberg/Ettringer Bellerberg (Stbr. Caspar)
Mineral: Jasmundite
Image: 1185115815
Rating: 7 (votes: 1)
License: Usage for Mineralienatlas project only
Jasmundit

Bildbreite: 3 mm; Fundort: Stbr. Caspar, Ettringer Bellerberg, Ettringen, Mayen, Eifel
Copyright: Stephan Wolfsried
Contribution: Hg 2007-07-22
Locality: Ettringer Bellerberg (Stbr. Caspar) / Bellerberg / Ettringen / Mayen / Mayen-Koblenz-Kreis / Rheinland-Pfalz / Deutschland
Jasmundit
Views (File:
1416944960
): 864
Jasmundit
Körnige blaßbläuliche Einschlüsse, BB = 3mm; Fundort: Stbr. Caspar, Ettringer Bellerberg, Ettringen, Eifel, Rheinland-Pfalz, Deutschland.
Copyright: Hannes Osterhammer; Contribution: Münchener Micromounter
Collection: Lithothek der Münchener Micromounter, Collection number: A000939, Donator: Willi Schüller
Location: Deutschland/Rheinland-Pfalz/Mayen-Koblenz-Kreis/Mayen/Ettringen/Bellerberg/Ettringer Bellerberg (Stbr. Caspar)
Mineral: Jasmundite
Image: 1416944960
License: Usage for Mineralienatlas project only
Jasmundit (SNr: A000939)

Körnige blaßbläuliche Einschlüsse, BB = 3mm; Fundort: Stbr. Caspar, Ettringer Bellerberg, Ettringen, Eifel, Rheinland-Pfalz, Deutschland.
Collection: Lithothek der Münchener Micromounter
Copyright: Hannes Osterhammer
Contribution: Münchener Micromounter 2014-11-25
Locality: Ettringer Bellerberg (Stbr. Caspar) / Bellerberg / Ettringen / Mayen / Mayen-Koblenz-Kreis / Rheinland-Pfalz / Deutschland

You find additional specimen at the Geolitho Museum

Collectors Summary

Color bräunlich grün, grünlich braun, dunkelbraun
Streak color weiß
Hardness (Mohs) 5
Solubility +++ HCl
Crystal System tetragonal, I4m2

Chemism

Chemical formula

Ca11(SiO4)4O2S

Chemical composition

Calcium, Silicium, Sauerstoff, Schwefel

Unit weight: 873.25976 u; Number of atoms in the formula: 34

Info

Empirical formula:

Ca11(SiO4)4O2S

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Oxygen

O

32.98

18

52.94

15.9994300

287.9897400
Silicon

Si

12.86

4

11.76

28.0855300

112.3421200
Sulfur

S

3.67

1

2.94

32.0655000

32.0655000
Calcium

Ca

50.48

11

32.35

40.0784000

440.8624000

Strunz 9th edition incl. updates

9.AG.70

9: Silikate (Germanate)
A: Inselsilikate (Nesosilikate)
G: Insel(Neso)silikate mit zusätzlichem Anionen; Kationen in meist [6] und > [6] Koordination
70:Jasmundit-Gruppe

Lapis Classification

VIII/B.05-010

VIII: SILIKATE
B: Inselsilikate mit tetraederfremden Anionen
5: Kationen in tetraedrischer oder oktaedrischer Koordination [4/6]

Classification by Hölzel

9.AJ.500

9: SILICATES
A: Nesosilicates
J: Nesosilicates with other complex Anions
5: C large

Dana 8th edition

52.04.07.04

52: Nesosilicates Nesosilicate Insular SiO4 Groups and O, OH, F, and H2O
04: Nesosilicates Nesosilicate Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] and/or > [6] coordination
07: Afwillite and related species

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

bräunlich grün, grünlich braun, dunkelbraun

Streak color

weiß

max. Birefringence

0.013
Birefringence chart\! Jasmundite title=Birefringence chart Jasmundite

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

1.715

RI value γ / ε

1.728

Ri mean

1.719

2V angle

Uniaxial (+)

Crystallography

Crystal System

tetragonal

Class (H-M)

42m

Space Group number

119

Space Group

I4m2

Cell parameters a (Å)

10.461

Cell parameters b (Å)

-

Cell parameters c (Å)

8.813

Cell parameters a/b or c/a

0.842

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

2

Volumne (ų)

964.429

X-Ray Powder Diffraction

3.242(40),
2.832(100),
2.756(20),
2.615(30),
1.920(20),
1.849(30),
1.705(20),
1.549(20)
XRD chart Jasmundite

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)

5

VHN (Hardness Vickers)

390 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

3.03

3.007 ( ρ calc. Mineralienatlas )

Instability

+++ HCl

(Co-)Type locality

(Co-)Type locality

Deutschland/Rheinland-Pfalz/Mayen-Koblenz-Kreis/Mayen/Ettringen/Bellerberg/Ettringer Bellerberg (Stbr. Caspar)

Preface

Author (Name, Year)

Hentschel & Dent Glasser & Lee, 1983

References

Neues Jahrbuch für Mineralogie, Monatshefte (1983), 337

Other languages

German

Jasmundit

Spanish

Jasmundita

French

Jasmundite

English

Jasmundite

Russian

Джасмундит

Russian

Ясмундит

CNMNC (IMA)-Number

IMA 1981-047

CNMNC symbol

Symbol

Jas

Locations with GPS information

IDs

GUSID (Global unique identifier short form) h7oQNdrF_US9gyRJ1RAdkg
GUID (Global unique identifier) 3510BA87-C5DA-44FD-BD83-2449D5101D92
Database ID 1779