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Kassite

Pictures (4 Images total)

Kassit
Views (Image: 1081184893): 1143
Kassit

Gelblichbräunliche traubig-spärolitische, glasglänzende Kristallaggregate von Kassit bis 1 mm Größe mit stengeligen Natrolith-xx in Rischorrit-Gestein (Natrolith-Gang) xx-ine Partien bis 1,1 cm Stu...

Collection: McSchuerf
Copyright: McSchuerf
Contribution: Mineralienatlas 2004-04-05
Locality: Rasvumchorr / Chibiny (Khibiny) / Kola-Halbinsel / Murmansk, Oblast / Nordwestrussland, Föderationskreis / Russland
Kassit
Views (Image: 1360588338): 678
Kassit

Bildbreite: 3 mm, Fundort: Rasvumchorr, Chibiny-Massiv, Kola-Halbinsel, Russland

Copyright: Leonardus
Contribution: thdun5 2013-02-11
Locality: Rasvumchorr / Chibiny (Khibiny) / Kola-Halbinsel / Murmansk, Oblast / Nordwestrussland, Föderationskreis / Russland
Kassit auf Lorenzenit
Views (Image: 1243878805): 961
Kassit auf Lorenzenit

Bildbreite: 8 mm; Fundort: Rasvumchorr, Chibiny-Massiv, Kola-Halbinsel, Russland

Copyright: Pavel M. Kartashov
Contribution: slugslayer 2009-06-01
Locality: Rasvumchorr / Chibiny (Khibiny) / Kola-Halbinsel / Murmansk, Oblast / Nordwestrussland, Föderationskreis / Russland
Kassitkugeln auf Natrolith und Lorenzenit
Views (Image: 1243878755): 923
Kassitkugeln auf Natrolith und Lorenzenit

Bildbreite: 12 mm; Fundort: Rasvumchorr, Chibiny-Massiv, Kola-Halbinsel, Russland

Copyright: Pavel M. Kartashov
Contribution: slugslayer 2009-06-01
Locality: Rasvumchorr / Chibiny (Khibiny) / Kola-Halbinsel / Murmansk, Oblast / Nordwestrussland, Föderationskreis / Russland

Collectors Summary

Color braun rot, farblos, hellgelb
Streak color weiß
Hardness (Mohs) 5
Solubility - Säuren
Crystal System monoklin, P21/a

Chemism

Chem­ical formula

CaTi2O4(OH)2

Chem­ical com­po­si­tion

Calcium, Titan, Sauerstoff, Wasserstoff

Unit weight: 233.825074 u; Number of atoms in the formula: 11

Info

Empirical formula:

CaTi2O4(OH)2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.86

2

18.18

1.0079470

2.0158940

Oxygen

O

41.05

6

54.55

15.9994300

95.9965800

Calcium

Ca

17.14

1

9.09

40.0784000

40.0784000

Titanium

Ti

40.94

2

18.18

47.8671000

95.7342000

Anal­y­sis wt%

TiO2 : 65.59, Al2O3 : 0.98, Fe2O3 : 1.92, CaO : 23.03, H2O : 8.04, SiO2 : 0.55 (Ref: Izd.Nedra,Moscow,65)

Strunz 9th edi­tion incl. updates

4.DH.10

4: Oxide, Hydroxide (Oxide, Hydroxide, V[5,6]-Vanadate, Arsenite, Antimonite, Bismutite, Sulfite, Selenite, Tellurite, Iodate)
D: Metall: Sauerstoff = 1:2 und vergleichbare
H: Mit großen (± mittelgroßen) [Kationen]; Lagen kantenverknüpfter Oktaeder
10:Lucasit-Gruppe

Lapis Clas­sifica­tion

IV/D.20-010

IV: OXIDE
D: Oxide mit Verhältnis Metall : Sauerstoff = 1:2 (MO2 und verwandte Verbindungen)

Clas­sifica­tion by Hölzel

4.CO.110

4: OXIDES
C: R2O3 Sesquioxides
O: Pseudopyrochlore-Group

Dana 8th edi­tion

08.03.09.01

08: Multiple Oxides with Nb, Ta, and Ti
03: Multiple Oxides with Nb, Ta, and Ti where A (B2O6)

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

braun rot, farblos, hellgelb

Streak color

weiß

max. Birefrin­gence

0.26

Birefringence chart\! Kassite title=Birefringence chart Kassite

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

1.95

RI value β

2.13

RI value γ / ε

2.21

Ri mean

2.097

2V angle

Biaxial (-) 58°

Crystallography

Crystal Sys­tem

monoklin

Class (H-M)

2/m

Space Group number

14

Space Group

P21/a

Cell param­e­ters a (Å)

5.273

Cell param­e­ters b (Å)

8.990

Cell param­e­ters c (Å)

9.546

Cell param­e­ters a/b or c/a

0.587

Cell param­e­ters c/b

1.062

Cell param­e­ters α

90°

Cell param­e­ters β

90.47

Cell param­e­ters γ

90°

Z

4

Volumne (ų)

452.506

X-Ray Pow­der Diffrac­tion

4.763(30),
3.300(100),
3.273(100),
2.603(20),
2.316(20),
2.282(40),
1.762(40),
1.516(20)

XRD chart Kassite

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)

3.42

3.432 ( ρ calc. Mineralienatlas )

Insta­bil­ity

- Säuren

Preface

Author (Name, Year)

Kukharenko et al., 1965

References

Handbook of Mineralogy (Anthony et al.), 3 (1997), 289

Related minerals "Strunz Classification" (9. Edition) [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Kassite

CaTi2O4(OH)2

monoklin : 2/m : P21/a

4.DH.10

Lucasite-(Ce)

(Ce,La)Ti2(O,OH)6

monoklin : 2/m : I2/a

4.DH.10

Related minerals "Lapis Classification" [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Kassite

CaTi2O4(OH)2

monoklin : 2/m : P21/a

IV/D.20-010

Cafetite

CaTi2O5 ·H2O

monoklin : 2/m : P21/n

IV/D.20-015

Kobeite-(Y)

(Y,U)(Ti,Nb)2(O,OH)6

IV/D.20-020

Lucasite-(Ce)

(Ce,La)Ti2(O,OH)6

monoklin : 2/m : I2/a

IV/D.20-030

Related minerals "Hoelzel Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Zirkelite

(Ti,Ca,Zr)O2-x

4.CO.100

Kassite

CaTi2O4(OH)2

monoklin : 2/m : P21/a

4.CO.110

Cafetite

CaTi2O5 ·H2O

monoklin : 2/m : P21/n

4.CO.120

'Uhligite'

Ca3(Ti,Al,Zr)9O20

4.CO.130

'Zirconolite'

CaZrTi2O7

4.CO.140

Zirconolite-2M

(Ca,Y)Zr(Ti,Mg,Al)2O7

monoklin : 2/m : C2/c

4.CO.142

'Zirconolite-3O' (Pol.v. Zirconolite-2M)

(Ca,Fe,Y,Th)2Fe(Ti,Nb)3Zr2O14

orthorhombisch : mmm : Acam

4.CO.144

'Zirconolite-3T' (Pol.v. Zirconolite-2M)

CaZrTi2O7

trigonal : 32 : P3121

4.CO.146

Tazheranite

(Zr,Ti,Ca)O2

kubisch : m3m, 43m : Fm3m, P43m

4.CO.160

Calzirtite

Ca2Zr5Ti2O16

orthorhombisch : mmm : Pbca

4.CO.180

Hiärneite

Ca2(Zr,Ti)5(Sb5+,Mn3+)2O16

tetragonal : 4/mmm : I41/acd

4.CO.185

Related minerals "Dana 8. Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Tapiolite-(Fe)

(Fe2+,Mn2+)(Ta,Nb)2O6

tetragonal : 4/mmm : P42/mnm

08.03.01.01

Tapiolite-(Mn)

(Mn2+,Fe2+)(Ta,Nb)2O6

tetragonal : 4/mmm : P42/mnm

08.03.01.02

Columbite-(Fe)

Fe2+Nb2O6

orthorhombisch : mmm : Pbcn

08.03.02.02

Tantalite-(Mn)

MnTa2O6

orthorhombisch : mmm : Pbcn

08.03.02.03

Columbite-(Mn)

Mn2+Nb2O6

orthorhombisch : mmm : Pbcn

08.03.02.04

Tantalite-(Mg)

(Mg,Fe2+)(Ta,Nb)2O6

orthorhombisch : mmm : Pbcn

08.03.02.06

Fersmite

(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6

orthorhombisch : mmm : Pbcn

08.03.03.01

Brannerite

(U,Ca,Y,Ce)(Ti,Fe)2O6

monoklin : 2/m : C2/m

08.03.04.01

Thorutite

(Th,U,Ca)Ti2(O,OH)6

monoklin : 2/m : C2/m

08.03.04.02

Lucasite-(Ce)

(Ce,La)Ti2(O,OH)6

monoklin : 2/m : I2/a

08.03.05.01

Aeschynite-(Ce)

(Ce,Ca,Fe,Th)(Ti,Nb)2(O,OH)6

orthorhombisch : mmm : Pbnm

08.03.06.01

Nioboaeschynite-(Ce)

(Ce,Ca)(Nb,Ti)2(O,OH)6

orthorhombisch : mmm : Pbnm

08.03.06.02

Aeschynite-(Y)

(Y,Ln,Ca,Th)(Ti,Nb)2(O,OH)6

orthorhombisch : mmm : Pbnm

08.03.06.03

Aeschynite-(Nd)

(Nd,Ln,Ca)(Ti,Nb)2(O,OH)6

08.03.06.05

Vigezzite

(Ca,Ce)(Nb,Ta,Ti)2O6

orthorhombisch : mmm : Pbnm

08.03.07.01

Rynersonite

Ca(Ta,Nb)2O6

orthorhombisch : mmm : Pbnm

08.03.07.02

Polycrase-(Y)

(Y,Ca,Ce,U,Th)(Ti,Nb,Ta)2O6

orthorhombisch : mmm : Pbcn

08.03.08.01

Euxenite-(Y)

Y(Nb0.5Ti0.5)2O6

orthorhombisch : mmm : Pbcn

08.03.08.02

Tanteuxenite-(Y)

(Y,Ce,Ca)(Ta,Nb,Ti)2(O,OH)6

orthorhombisch : mmm : Pbcn

08.03.08.03

'Yttrocrasite-(Y)'

(Y,Th,Ca,U)(Ti,Fe3+)2(O,OH)6

08.03.08.04

Uranopolycrase

(U,Y)(Ti,Nb,Ta)2(O,OH)6

orthorhombisch : mmm : Pbcn

08.03.08.05

Kassite

CaTi2O4(OH)2

monoklin : 2/m : P21/a

08.03.09.01

CNMNC symbol

Symbol

Kas

Automatic Links to external internet sources (Responsibility is with the operator)

German pages

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English pages

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