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Kaersutite

Pictures (28 Images total)

Kaersutit
Views (File:
1363026445
): 2979
Kaersutit
Kurzsäuliger Kristall, ca. 1,5cm, in Tuff. Härtlingen, Westerburg, Westerwald, RLP, D.
Copyright: Erik; Contribution: Erik
Location: Deutschland/Rheinland-Pfalz/Westerwaldkreis/Westerburg/Härtlingen
Mineral: Kaersutite
Image: 1363026445
Rating: 7.5 (votes: 2)
License: Usage for Mineralienatlas project only
Kaersutit

Kurzsäuliger Kristall, ca. 1,5cm, in Tuff. Härtlingen, Westerburg, Westerwald, RLP, D.
Copyright: Erik
Contribution: Erik 2013-03-11
Locality: Härtlingen / Westerburg / Westerwaldkreis / Rheinland-Pfalz / Deutschland
Kaersutit
Views (File:
1423426851
): 2729
Kaersutit
Prismatischer schwarzer Kristall, BB = 2,8 mm; Fundort: Nickenicher Sattel, Nickenich, Eifel, Rheinland-Pfalz, Deutschland.
Copyright: Bebo; Contribution: Münchener Micromounter
Collection: Lithothek der Münchener Micromounter, Collection number: A031432, Donator: Domenico Preite
Location: Deutschland/Rheinland-Pfalz/Mayen-Koblenz-Kreis/Pellenz, Verbandsgemeinde/Nickenich/Nickenicher Sattel (Eicher Sattel)
Mineral: Kaersutite
Image: 1423426851
Rating: 8 (votes: 1)
License: Usage for Mineralienatlas project only
Kaersutit (SNr: A031432)

Prismatischer schwarzer Kristall, BB = 2,8 mm; Fundort: Nickenicher Sattel, Nickenich, Eifel, Rheinland-Pfalz, Deutschland.
Collection: Lithothek der Münchener Micromounter
Copyright: Bebo
Contribution: Münchener Micromounter 2015-02-08
Locality: Nickenicher Sattel (Eicher Sattel) / Nickenich / Pellenz, Verbandsgemeinde / Mayen-Koblenz-Kreis / Rheinland-Pfalz / Deutschland
Kaersutit mit Titanit von Barranco Hondo, Teneriffa
Views (File:
1538134818
): 684
Kaersutit mit Titanit von Barranco Hondo, Teneriffa
Eingelagert in Lapillituff. Bildbreite 2,5 mm
Copyright: Kurt Rüsenberg; Contribution: humboldt
Collection: humboldt
Location: Spanien/Kanarische Inseln/Teneriffa/El Rosario, Municiopio/Barranco Hondo
Mineral: Kaersutite
Image: 1538134818
Rating: 8 (votes: 1)
License: Usage for Mineralienatlas project only
Kaersutit mit Titanit von Barranco Hondo, Teneriffa

Eingelagert in Lapillituff. Bildbreite 2,5 mm
Collection: humboldt
Copyright: Kurt Rüsenberg
Contribution: humboldt 2018-09-28
Locality: Barranco Hondo / El Rosario, Municiopio / Teneriffa / Kanarische Inseln / Spanien
Kaersutit-Doppelender
Views (File:
1202226356
): 3788
Kaersutit-Doppelender
Größe: 47 x 20 mm; Fundort: Vlčí hora, Černošín, Plzeň, Böhmen, Tschechien
Copyright: Philip Blümner; Contribution: Philip Blümner
Location: Tschechien/Pilsen (Plzeňský kraj)/Tachov (Okres Tachau)/Tschernoschin (Cernosin)/Wolfsberg (Vlci hora)
Mineral: Kaersutite
Image: 1202226356
Rating: 6.5 (votes: 2)
License: Usage for Mineralienatlas project only
Kaersutit-Doppelender

Größe: 47 x 20 mm; Fundort: Vlčí hora, Černošín, Plzeň, Böhmen, Tschechien
Copyright: Philip Blümner
Contribution: Philip Blümner 2008-02-05
Locality: Wolfsberg (Vlci hora) / Tschernoschin (Cernosin) / Tachov (Okres Tachau) / Pilsen (Plzeňský kraj) / Tschechien
Kaersutit in Lava
Views (File:
1182444001
): 3676
Kaersutit in Lava
Fundort: Wolfsberg, Cernošín, Plzen, West-Böhmen, Tschechien; Stufengröße: ca. 5 x 6 cm, Kristallgröße ca. 1,7 cm
Copyright: Klinoklas; Contribution: Klinoklas
Collection: Klinoklas
Location: Tschechien/Pilsen (Plzeňský kraj)/Tachov (Okres Tachau)/Tschernoschin (Cernosin)
Mineral: Kaersutite
Image: 1182444001
Rating: 7 (votes: 1)
License: Creative Commons - Attribution (CC-BY) V.3.0
Kaersutit in Lava

Fundort: Wolfsberg, Cernošín, Plzen, West-Böhmen, Tschechien; Stufengröße: ca. 5 x 6 cm, Kristallgröße ca. 1,7 cm
Collection: Klinoklas
Copyright: Klinoklas
Contribution: Klinoklas 2007-06-21
Locality: Tschernoschin (Cernosin) / Tachov (Okres Tachau) / Pilsen (Plzeňský kraj) / Tschechien

You find additional specimen at the Geolitho Museum

Collectors Summary

Color dunkelbraun, schwarz
Streak color bräunlich grau
Hardness (Mohs) 5.5
Crystal System monoklin, C2/m

Additional information / Summary

Kaersutit ist in der Amphibol-Supergruppe und innerhalb der Kaersutit (Krs) Amphibole definiert mit:

A Position: Na dominant
C2+ position: Mg dominant
C3+ position: Al dominant

Chemism

Chemical formula

NaCa2(Mg3TiAl)(Si6Al2)O22O2

Chemical composition

Aluminium, Calcium, Magnesium, Natrium, Silicium, Titan, Sauerstoff

Unit weight: 857.3729648 u; Number of atoms in the formula: 40

Info

Empirical formula:

NaCa2(Mg3TiAl)(Si6Al2)O22O2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Oxygen

O

44.79

24

60.00

15.9994300

383.9863200
Sodium

Na

2.68

1

2.50

22.9897702

22.9897702
Magnesium

Mg

8.50

3

7.50

24.3050600

72.9151800
Aluminium

Al

9.44

3

7.50

26.9815382

80.9446146
Silicon

Si

19.65

6

15.00

28.0855300

168.5131800
Calcium

Ca

9.35

2

5.00

40.0784000

80.1568000
Titanium

Ti

5.58

1

2.50

47.8671000

47.8671000

Analysis wt%

SiO2 : 40.73, TiO2 : 8.47, Al2O3 : 10.62, Fe2O3 : 1.39, FeO : 11.91, MgO : 10.46, CaO : 10.40, Na2O : 2.92, K2O : 1.33, H2O : 2.20 (Ref: Geol.Soc.Am.Bull.53)

Strunz 9th edition incl. updates

9.DE.15

9: Silikate (Germanate)
D: Ketten- und Bandsilikate (Inosilikate)
E: Ketten- und Bandsilikate mit 2-periodischen Doppelketten, Si4O11; Amphibol-Familie, Klinoamphibole
15:Amphibole: Ca > Na

Lapis Classification

VIII/F.10-150

VIII: SILIKATE
F: Ketten- und Bandsilikate
10: Zweierbänder [Si4O11] 6-; Amphibol-Gruppe; Ca2-Amphibole

Classification by Hölzel

9.DH.800

9: SILICATES
D: Inosilicates; ~[Si2O6]4--...2-Chain
H: Amphiboles; Calcic Amphiboles
8: Kaersutite-Group

Dana 8th edition

66.01.03a.18

66: Inosilicates Inosilicate Double-Width Unbranched Chains, W=2
01: Inosilicates Inosilicate Double-Width Unbranched Chains, W=2 with P=2 amphibole configuration
03a: Group 2, the calcic amphiboles

IMA status

Neudefinition von der CNMNC anerkannt

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Amphibole supergroup  ⇒ O-dominant amphiboles  ⇒ Kaersutite (Krs) amphiboles

Optical Properties

Color

dunkelbraun, schwarz

Streak color

bräunlich grau

Diaphaneity (Transparency)

durchscheinend bis teilweise opak

max. Birefringence

0.056
Birefringence chart\! Kaersutite title=Birefringence chart Kaersutite

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

1.680!

RI value β

1.716!

RI value γ / ε

1.736!

Ri mean

1.711

2V angle

Biaxial (-) 74°!

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

12

Space Group

C2/m

Cell parameters a (Å)

9.890

Cell parameters b (Å)

19.060

Cell parameters c (Å)

5.315

Cell parameters a/b or c/a

0.519

Cell parameters c/b

0.279

Cell parameters α

90°

Cell parameters β

105.40

Cell parameters γ

90°

Z

2

Volume (ų)

965.923

X-Ray Powder Diffraction

8.39(80),
3.270(60),
3.113(100),
2.795(70),
2.551(30),
1.808(30),
1.644(40),
1.580(30)
XRD chart Kaersutite

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)

5.5

VHN (Hardness Vickers)

530 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

3.2 - 3.28 / Durchschnittlich = 3.24

2.948 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

Grönland/Qaasuitsup Kommunia/Uummannaq/Qaarsut (Kaersut)

Preface

Author (Name, Year)

Lorenzen, 1884

References

  • Canadian Mineralogist 35 (1997), 219
  • Hawthorne et al, Nomenclature of the amphibole supergroup, American Mineralogist 97 (2012), 2031-2048

IMA group assignments

Other languages

German

Kaersutit

Spanish

Kaersutita

English

Kaersutite

French

Kaersutite

Russian

Керсутит

Simplified Chinese

钛闪石

Japanese

ｹﾙｽｰﾄ閃石

Alternative Name

German

Linosit

Spanish

Linosita

Linosite

German

Oxykaersutit

Oxykaersutit = Kaersutit

Mineral. Mag. 32 (1961), 974; Name nicht genannt in Amphibol-Reports

Canadian Mineralogist Vol. 44, pp. 1557-1560 (2006)

English

Oxykaersutite

Oxykaersutit = Kaersutit

Mineral. Mag. 32 (1961), 974; Name nicht genannt in Amphibol-Reports

Canadian Mineralogist Vol. 44, pp. 1557-1560 (2006)

Simplified Chinese

钛角闪石

CNMNC symbol

Symbol

Krs

Locations with GPS information

IDs

GUSID (Global unique identifier short form) vxBUV4fXEke-szeR5o3adQ
GUID (Global unique identifier) 575410BF-D787-4712-BEB3-3791E68DDA75
Database ID 1832