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Tinzenite

Pictures (21 Images total)

Tinzenit
Views (File:
1403595359
): 1700
Tinzenit
Bildbreite: 3 mm; Fundort: Alp Parsettens, Tinzen, Oberhalbstein, Schweiz
Copyright: Stephan Wolfsried; Contribution: Hg
Location: Schweiz/Graubünden, Kanton/Albula, Region/Surses, Gemeinde/Tinizong-Rona (Tinzen)/Alp Parsettens
Mineral: Tinzenite
Image: 1403595359
Rating: 8.5 (votes: 2)
License: Usage for Mineralienatlas project only
Tinzenit

Bildbreite: 3 mm; Fundort: Alp Parsettens, Tinzen, Oberhalbstein, Schweiz
Copyright: Stephan Wolfsried
Contribution: Hg 2014-06-24
Locality: Alp Parsettens / Tinizong-Rona (Tinzen) / Surses, Gemeinde / Albula, Region / Graubünden, Kanton / Schweiz
Tinzenit
Views (File:
1394704631
): 1238
Tinzenit
Bildbreite: 6 mm, Fundort: Grube Molinello, Genova, Ligurien, Italien
Copyright: Stephan Wolfsried; Contribution: Hg
Location: Italien/Ligurien (Liguria), Region/Genua (Genova), Metropolitanstadt/Ne/Val Graveglia/Miniera di Molinello
Mineral: Tinzenite
Image: 1394704631
Rating: 9 (votes: 1)
License: Usage for Mineralienatlas project only
Tinzenit

Bildbreite: 6 mm, Fundort: Grube Molinello, Genova, Ligurien, Italien
Copyright: Stephan Wolfsried
Contribution: Hg 2014-03-13
Locality: Miniera di Molinello / Val Graveglia / Ne / Genua (Genova), Metropolitanstadt / Ligurien (Liguria), Region / Italien
Tinzenit
Views (File:
1394704664
): 884
Tinzenit
Bildbreite: 8 mm, Fundort: Grube Molinello, Genova, Ligurien, Italien
Copyright: Stephan Wolfsried; Contribution: Hg
Location: Italien/Ligurien (Liguria), Region/Genua (Genova), Metropolitanstadt/Ne/Val Graveglia/Miniera di Molinello
Mineral: Tinzenite
Image: 1394704664
Rating: 9 (votes: 1)
License: Usage for Mineralienatlas project only
Tinzenit

Bildbreite: 8 mm, Fundort: Grube Molinello, Genova, Ligurien, Italien
Copyright: Stephan Wolfsried
Contribution: Hg 2014-03-13
Locality: Miniera di Molinello / Val Graveglia / Ne / Genua (Genova), Metropolitanstadt / Ligurien (Liguria), Region / Italien
Tinzenit
Views (File:
1403525768
): 842
Tinzenit
Bildbreite: 3 mm; Fundort: Alp Parsettens, Tinzen, Oberhalbstein, Schweiz
Copyright: Stephan Wolfsried; Contribution: Hg
Location: Schweiz/Graubünden, Kanton/Albula, Region/Surses, Gemeinde/Tinizong-Rona (Tinzen)/Alp Parsettens
Mineral: Tinzenite
Image: 1403525768
Rating: 9 (votes: 1)
License: Usage for Mineralienatlas project only
Tinzenit

Bildbreite: 3 mm; Fundort: Alp Parsettens, Tinzen, Oberhalbstein, Schweiz
Copyright: Stephan Wolfsried
Contribution: Hg 2014-06-23
Locality: Alp Parsettens / Tinizong-Rona (Tinzen) / Surses, Gemeinde / Albula, Region / Graubünden, Kanton / Schweiz
Tinzenit
Views (File:
1311877694
): 1373
Tinzenit
Größe: 45x35x30 mm; Fundort: Wessels Mine, Hotazel, Kalahari Manganfelder, Provinz Nordkap, Südafrika
Copyright: Rob Lavinsky; Contribution: slugslayer
Location: Südafrika/Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Hotazel/Wessel's Mine (Wessels Mine)
Mineral: Tinzenite
Image: 1311877694
Rating: 8 (votes: 2)
License: Usage for Mineralienatlas project only
Tinzenit

Größe: 45x35x30 mm; Fundort: Wessels Mine, Hotazel, Kalahari Manganfelder, Provinz Nordkap, Südafrika
Copyright: Rob Lavinsky
Contribution: slugslayer 2011-07-28
Locality: Wessel's Mine (Wessels Mine) / Hotazel / Kalahari Manganese Field / Nordkap (Northern Cape), Provinz / Südafrika
Tinzenit
Views (File:
1221159872
): 1030
Tinzenit
Größe: 9,8 mm; Fundort: Miniera Valgraveglia (Miniera Gambatesa), Reppia, Val Graveglia, Ne, Genova, Ligurien (Liguria), Italien
Copyright: Matteo Chinellato; Contribution: Hg
Location: Italien/Ligurien (Liguria), Region/Genua (Genova), Metropolitanstadt/Ne/Val Graveglia/Reppia/Miniera Valgraveglia (Gambatesa)
Mineral: Tinzenite
Image: 1221159872
Rating: 8 (votes: 1)
License: Usage for Mineralienatlas project only
Tinzenit

Größe: 9,8 mm; Fundort: Miniera Valgraveglia (Miniera Gambatesa), Reppia, Val Graveglia, Ne, Genova, Ligurien (Liguria), Italien
Copyright: Matteo Chinellato
Contribution: Hg 2008-09-11
Locality: Miniera Valgraveglia (Gambatesa) / Reppia / Val Graveglia / Ne / Genua (Genova), Metropolitanstadt / Ligurien (Liguria), Region / Italien

You find additional Tinzenite specimen at the Geolitho Museum

Collectors Summary

Color gelb, orangerot
Lustre Glasglanz
Hardness (Mohs) 6.50 - 7.00
Cleavages gut {100}, schlecht {001}, {110}, {011} (in Analogie zur Axinit-Gruppe)
Fracture uneben, muschelig
Solubility ++ HF, Säuren!
Crystal System triklin, P1

Chemism

Chemical formula

Ca2Mn2+4Al4[B2Si8O30](OH)2

Chemical composition

Aluminium, Calcium, Mangan, Silicium, Bor, Sauerstoff, Wasserstoff

Unit weight: 1168.1404464 u; Number of atoms in the formula: 54

Info

Empirical formula:

Ca2Mn4Al4[B2Si8O30](OH)2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

0.17

2

3.70

1.0079470

2.0158940
Boron

B

1.85

2

3.70

10.8117000

21.6234000
Oxygen

O

43.83

32

59.26

15.9994300

511.9817600
Aluminium

Al

9.24

4

7.41

26.9815382

107.9261528
Silicon

Si

19.23

8

14.81

28.0855300

224.6842400
Calcium

Ca

6.86

2

3.70

40.0784000

80.1568000
Manganese

Mn

18.81

4

7.41

54.9380499

219.7521996

Analysis wt%

B2O3 : 5.65, SiO2 : 40.80, Al2O3 : 16.23, Fe2O3 : 1.59, MnO : 21.19, CaO : 12.51, H2O : 1.30 (Ref: American Mineralogist 53)

Strunz 9th edition incl. updates

9.BD.20

9: Silikate (Germanate)
B: Gruppensilikate (Sorosilikate)
D: Si2O7 Gruppen mit zusätzlichen Anionen; Kationen in tetrahedraler [4] und/oder anderer Koordination
20:Axinit-Gruppe

Lapis Classification

VIII/C.08-040

VIII: SILIKATE
C: Gruppensilikate
8: Gruppensilikate [Si2O7] 6-, mit tetraederfremden Anionen (O,OH,F); Axinit-Gruppe

Classification by Hölzel

9.BD.145

9: SILICATES
B: Sorosilicates
D: Axinite-Group

Dana 8th edition

56.02.02.04

56: Sorosilicates Sorosilicate Si2O7 Groups and O, OH, F. and H2O
02: Sorosilicates Sorosilicate Si2O7 Groups and O, OH, F. and H2O with cations in [4] and/or >[4] coordination
02: Axinite group

IMA status

Neudefinition von der CNMNC anerkannt

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Axinite group

Optical Properties

Color

gelb, orangerot

Diaphaneity (Transparency)

transparent, durchscheinend

Lustre

Glasglanz

max. Birefringence

0.011
Birefringence chart\! Tinzenite title=Birefringence chart Tinzenite

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

1.693 - 1.694

RI value β

1.700 - 1.701

RI value γ / ε

1.704 - 1.705

Ri mean

1.700

2V angle

Biaxial (-) 63° - 88° (gemessen)

Dispersion

Stark, r > v

Absorption

X = Y > Z

Pleochroism

In dicken Abschnitten, schwach; X = hellbraun; Y = violett; Z = hellgelb bis farblos

Crystallography

Crystal System

triklin

Class (H-M)

1

Space Group number

2

Space Group

P1

Cell parameters a (Å)

8.953

Cell parameters b (Å)

9.202

Cell parameters c (Å)

7.165

Cell parameters a/b or c/a

0.973

Cell parameters c/b

0.779

Cell parameters α

102.68

Cell parameters β

90.15

Cell parameters γ

88.13

Z

1

Volumne (ų)

575.583

X-Ray Powder Diffraction

6.30(70),
3.46(80),
3.28(60),
3.14(70),
2.975(70),
2.812(100),
2.152(70),
2.008(70)
XRD chart Tinzenite

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)

6.50 - 7.00

VHN (Hardness Vickers)

1110 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

3.286 (gemessen)

3.37 ( ρ calc. Mineralienatlas )

Cleavages

gut {100}, schlecht {001}, {110}, {011} (in Analogie zur Axinit-Gruppe)

Fracture

uneben, muschelig

Tenacity

spröde

Instability

++ HF, Säuren!

(Co-)Type locality

(Co-)Type locality

Schweiz/Graubünden, Kanton/Albula, Region/Surses, Gemeinde/Tinizong-Rona (Tinzen)/Alp Parsettens

Type material

Federal Institute of Technology, Zurich, Schweiz

The Natural History Museum, London, England

Harvard University, Cambridge, Massachusetts, USA

Collection number of type material

194804 (Schweiz), 1926,499-501 (England)

Preface

Associations

Braunit, Quarz

Name from

Der Lokation Tinzen in der Schweiz

Author (Name, Year)

Jakob, 1923

References

Handbook of Mineralogy (Anthony et al.), 2 (1995), 801

Schweizerische Mineralogische und Petrographische Mitteilungen 3 (1923), 227

Crystallography Reports 46 (2001), 30

Mineralogical Magazine, 2016, Vol. 80(5), pp. 915-922 [Formel, Gruppe]

IMA group assignments

Other languages

German

Tinzenit

Spanish

Tinzenita

French

Tinzenite

English

Tinzenite

Russian

Тинценит

Alternative Name

Esperanto

Tinzenito

Japanese

ティンツェン斧石

CNMNC (IMA)-Number

IMA 2016-D

CNMNC symbol

Symbol

Tnz

Locations with GPS information