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Tiragalloite

Pictures (8 Images total)

Tiragalloit
Views (File:
1312798248
): 1694, Rating: 8.63
Tiragalloit
Größe: 0,49 mm; Fundort: Cassagna Mine, Genova, Ligurien, Italien
Copyright: Matteo Chinellato; Contribution: Hg
Collection: Domenico Preite
Location: Italien/Ligurien (Liguria), Region/Genua (Genova), Metropolitanstadt/Ne/Val Graveglia/Miniera di Cassagna
Mineral: Tiragalloite
Image: 1312798248
Rating: 8.63 (votes: 8)
License: Usage for Mineralienatlas project only
Tiragalloit

Größe: 0,49 mm; Fundort: Cassagna Mine, Genova, Ligurien, Italien

Collection: Domenico Preite
Copyright: Matteo Chinellato
Contribution: Hg 2011-08-08
Locality: Miniera di Cassagna / Val Graveglia / Ne / Genua (Genova), Metropolitanstadt / Ligurien (Liguria), Region / Italien
Tiragalloit
Views (File:
1285414693
): 731
Tiragalloit
Bildbreite: 6 mm, Fundort: Grube Molinello, Genova, Ligurien, Italien
Copyright: Luigi Chiappino; Contribution: thdun5
Location: Italien/Ligurien (Liguria), Region/Genua (Genova), Metropolitanstadt/Ne/Val Graveglia/Miniera di Molinello
Mineral: Tiragalloite
Image: 1285414693
Rating: 7 (votes: 2)
License: Usage for Mineralienatlas project only
Tiragalloit

Bildbreite: 6 mm, Fundort: Grube Molinello, Genova, Ligurien, Italien

Copyright: Luigi Chiappino
Contribution: thdun5 2010-09-25
Locality: Miniera di Molinello / Val Graveglia / Ne / Genua (Genova), Metropolitanstadt / Ligurien (Liguria), Region / Italien
Tiragalloit xx
Views (File:
1172390288
): 1245
Tiragalloit xx
Fundort: Mina Gambatesa, Val Graveglia, Genova, Ligurien, Italien; Bildbreite: 8 mm
Copyright: loismin; Contribution: loismin
Location: Italien/Ligurien (Liguria), Region/Genua (Genova), Metropolitanstadt/Ne/Val Graveglia/Reppia/Miniera Gambatesa
Mineral: Tiragalloite
Image: 1172390288
Rating: 5 (votes: 1)
License: Usage for Mineralienatlas project only
Tiragalloit xx

Fundort: Mina Gambatesa, Val Graveglia, Genova, Ligurien, Italien; Bildbreite: 8 mm

Copyright: loismin
Contribution: loismin 2007-02-25
Locality: Miniera Gambatesa / Reppia / Val Graveglia / Ne / Genua (Genova), Metropolitanstadt / Ligurien (Liguria), Region / Italien
Tiragalloit
Views (File:
1285414662
): 658
Tiragalloit
Bildbreite: 3 mm, Fundort: Grube Molinello, Genova, Ligurien, Italien
Copyright: Luigi Chiappino; Contribution: thdun5
Location: Italien/Ligurien (Liguria), Region/Genua (Genova), Metropolitanstadt/Ne/Val Graveglia/Miniera di Molinello
Mineral: Tiragalloite
Image: 1285414662
Rating: 5 (votes: 1)
License: Usage for Mineralienatlas project only
Tiragalloit

Bildbreite: 3 mm, Fundort: Grube Molinello, Genova, Ligurien, Italien

Copyright: Luigi Chiappino
Contribution: thdun5 2010-09-25
Locality: Miniera di Molinello / Val Graveglia / Ne / Genua (Genova), Metropolitanstadt / Ligurien (Liguria), Region / Italien
Tiragalloit
Views (File:
1498047469
): 321
Tiragalloit
Gambatesa Mine Ligurien Italien; Bildbreite 2,3 mm
Copyright: Ulrich Hansper; Contribution: Ulrich Hansper
Collection: Ulrich Hansper
Location: Italien/Ligurien (Liguria), Region/Genua (Genova), Metropolitanstadt/Ne/Val Graveglia/Reppia/Miniera Gambatesa
Mineral: Tiragalloite
Image: 1498047469
License: Usage for Mineralienatlas project only
Tiragalloit

Gambatesa Mine Ligurien Italien; Bildbreite 2,3 mm

Collection: Ulrich Hansper
Copyright: Ulrich Hansper
Contribution: Ulrich Hansper 2017-06-21
Locality: Miniera Gambatesa / Reppia / Val Graveglia / Ne / Genua (Genova), Metropolitanstadt / Ligurien (Liguria), Region / Italien
Tiragalloit
Views (File:
1580387293
): 120
Tiragalloit
Gambatesa Mine Val Graveglia; Bildbreite 2,3 mm
Copyright: Ulrich Hansper; Contribution: Ulrich Hansper
Collection: Ulrich Hansper
Location: Italien/Ligurien (Liguria), Region/Genua (Genova), Metropolitanstadt/Ne/Val Graveglia/Reppia/Miniera Gambatesa
Mineral: Tiragalloite
Image: 1580387293
License: Usage for Mineralienatlas project only
Tiragalloit

Gambatesa Mine Val Graveglia; Bildbreite 2,3 mm

Collection: Ulrich Hansper
Copyright: Ulrich Hansper
Contribution: Ulrich Hansper 2020-01-30
Locality: Miniera Gambatesa / Reppia / Val Graveglia / Ne / Genua (Genova), Metropolitanstadt / Ligurien (Liguria), Region / Italien

Collectors Summary

Color orangegelb
Streak color weiß
Solubility + HNO3, - HCl, H2SO4
Crystal System monoklin, P21/n

Chemism

Chemical formula

Mn42+As5+Si3O12(OH)

Chemical composition

Arsen, Mangan, Silicium, Sauerstoff, Wasserstoff

Unit weight: 587.9309286 u; Number of atoms in the formula: 22

Info

Empirical formula:

Mn4AsSi3O12(OH)

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.17

1

4.55

1.0079470

1.0079470

Oxygen

O

35.38

13

59.09

15.9994300

207.9925900

Silicon

Si

14.33

3

13.64

28.0855300

84.2565900

Manganese

Mn

37.38

4

18.18

54.9380499

219.7521996

Arsenic

As

12.74

1

4.55

74.9216020

74.9216020

Strunz 9th edition incl. updates

9.BJ.25

9: Silikate (Germanate)
B: Gruppensilikate (Sorosilikate)
J: Gruppen(Soro)-Silikate mit Si3O10, Si4O11, etc. Anionen; Kationen in oktahedraler [6] und/oder größerer Koordination
25:Tiragalloit-Gruppe

Lapis Classification

VIII/C.34-030

VIII: SILIKATE
C: Gruppensilikate
34: Sonstige Gruppensilikate

Classification by Hölzel

9.BQ.330

9: SILICATES
B: Sorosilicates
Q: Si3O10 + SiO4-Group

Dana 8th edition

57.02.01.01

57: Sorosilicates Sorosilicate Insular Si3O10 and Larger Noncyclic Groups
02: Sorosilicates Sorosilicate Insular Si3O10 and Larger Noncyclic Groups with [Si4O13] groups

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

orangegelb

Streak color

weiß

max. Birefringence

0.015

Birefringence chart\! Tiragalloite title=Birefringence chart Tiragalloite

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

1.745

RI value β

1.751

RI value γ / ε

1.760

Ri mean

1.752

2V angle

Biaxial (+) 42°~

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

14

Space Group

P21/n

Cell parameters a (Å)

6.678

Cell parameters b (Å)

19.908

Cell parameters c (Å)

7.575

Cell parameters a/b or c/a

0.335

Cell parameters c/b

0.381

Cell parameters α

90°

Cell parameters β

95.48

Cell parameters γ

90°

Z

4

Volume (ų)

1002.46

Crystal structure

aufgeklärt, siehe Athos Maria Callegari, Massimo Boiocchi, Michele Zema, Serena Chiara Tarantino: Structure refinement and new crystal-chemical data for tiragalloite from the Scerscen glacier, Val Malenco, Italy. Periodico di Mineralogia Jhrg. 89, Nr. 1 (2020) S. 77-87.

X-Ray Powder Diffraction

3.258(100),
3.151(70),
3.034(70),
3.003(70),
2.736(50),
2.608(60),
2.499(40),
2.489(60)

XRD chart Tiragalloite

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

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Density (g/cm³)

3.84 (gemessen)

3.895 ( ρ calc. Mineralienatlas )

Instability

+ HNO3, - HCl, H2SO4

Preface

Author (Name, Year)

Gramaccioli & Griffin & Mottana, 1980

References

American Mineralogist 65 (1980), 947

Other languages

German

Tiragalloit

French

Tiragalloite

English

Tiragalloite

Spanish

Tiragalloíta

Russian

Тирагаллоит

CNMNC (IMA)-Number

IMA 1969-061

CNMNC symbol

Symbol

Tga

Locations with GPS information

IDs

GUSID (Global unique identifier short form) _bAQRvM0iEWBM6TKXKSf8Q
GUID (Global unique identifier) 4610B0FD-34F3-4588-8133-A4CA5CA49FF1
Database ID 3855