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Katoite

Pictures (3 Images total)

Katoit
Views (Image: 1166970207): 3812
Katoit

Bildbreite: 2 mm; Fundort Stbr. Caspar, Ettringer Bellerberg, Ettringen, Eifel

Copyright: Stephan Wolfsried
Contribution: Hg 2006-12-24
Locality: Ettringer Bellerberg (Stbr. Caspar) / Bellerberg / Ettringen / Mayen / Mayen-Koblenz-Kreis / Rheinland-Pfalz / Deutschland
Katoit
Views (Image: 1524757937): 915
Katoit (SNr: E-BB-Katoit-2-1-1)

Kugelige hellgelborange Aggregate des sehr seltenen Granates Katoit vom Steinbruch Caspar, Bellerberg, Eifel. Bildbreite etwa 2,8 mm. Analysiert von G. Blaß.

Collection: Klaus Schäfer
Copyright: Klaus Schäfer
Contribution: Klaus Schäfer 2018-04-26
Locality: Ettringer Bellerberg (Stbr. Caspar) / Bellerberg / Ettringen / Mayen / Mayen-Koblenz-Kreis / Rheinland-Pfalz / Deutschland
Katoit
Views (Image: 1417022372): 1959
Katoit (SNr: A017193)

Oktaedrische farblose Kristalle auf einem dunklen bzw. auf einem weißen Mineral mit Afwillit, BB = 1 mm; Fundort: Stbr. Caspar, Ettringer Bellerberg, Ettringen, Eifel, Rheinland-Pfalz, Deutschland.

Collection: Lithothek der Münchener Micromounter
Copyright: Hannes Osterhammer
Contribution: Münchener Micromounter 2014-11-26
Locality: Ettringer Bellerberg (Stbr. Caspar) / Bellerberg / Ettringen / Mayen / Mayen-Koblenz-Kreis / Rheinland-Pfalz / Deutschland

Collectors Summary

Color farblos, milchweiß
Streak color weiß
Hardness (Mohs) 5.5
Crystal System kubisch, Ia3d

Additional information / Summary

Siehe auch Mineralienportrait: Granat - Katoit

Chemism

Chem­ical formula

{Ca3}[Al2](☐3)(OH)12

Chem­ical com­po­si­tion

Aluminium, Calcium, Sauerstoff, Wasserstoff, Vakanz

Unit weight: 378.28680043 u; Number of atoms in the formula: 32

Info

Empirical formula:

{Ca3}[Al2](Vc3)(OH)12

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Vacancy

Vc

0.00

3

9.38

0.0000000

0.0000000

Hydrogen

H

3.20

12

37.50

1.0079470

12.0953640

Oxygen

O

50.75

12

37.50

15.9994300

191.9931600

Aluminium

Al

14.27

2

6.25

26.9815382

53.9630764

Calcium

Ca

31.78

3

9.38

40.0784000

120.2352000

Anal­y­sis wt%

SiO2 : 14.93, Al2O3 : 25.34, CaO : 41.81, H2O : 17.91 (Ref: berechnet)

Strunz 9th edi­tion incl. updates

9.AD.25

9: Silikate (Germanate)
A: Inselsilikate (Nesosilikate)
D: Insel(Neso)silikate ohne weitere Anionen; Kationen in oktahedraler [6] und gewöhnlich größerer Koordination
25:Granat-Gruppe

Lapis Clas­sifica­tion

VIII/A.08-090

VIII: SILIKATE
A: Inselsilikate mit [SiO4] 4--Baugruppen
8: Kationen in kubischer und oktaedrischer Koordination [8+6]; Granat-Gruppe

Clas­sifica­tion by Hölzel

9.AC.760

9: SILICATES
A: Nesosilicates
C: Garnet-Group
7: Hydrogarnets

Dana 8th edi­tion

51.04.03d.02

51: Nesosilicate Minerals
04: Nesosilicates Nesosilicate Insular SiO4 Groups Only with cations in [6] and >[6] coordination
03d: Garnet group (Hydrogarnet)

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Clas­sifica­tion

Garnet supergroup  ⇒ Hydroxide garnets (Z charge 0)

Optical Properties

Color

farblos, milchweiß

Streak color

weiß

Diaphane­ity (Trans­parency)

transparent bis durchscheinend

RI value α / ω / n

1.632

Ri mean

1.632

2V angle

Isotropisch

Optical Data Luminescence

Color SW-UV (254nm)

 

orange

After­glow (Per­sistant Lumi­nes­cence)

keine Daten

Crystallography

Crystal Sys­tem

kubisch

Class (H-M)

m3m

Space Group number

230

Space Group

Ia3d

Cell param­e­ters a (Å)

12.358

Cell param­e­ters b (Å)

-

Cell param­e­ters c (Å)

-

Cell param­e­ters a/b or c/a

1

Cell param­e­ters c/b

-

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

90°

Z

8

Volumne (ų)

1887.316

X-Ray Pow­der Diffrac­tion

5.046(40),
3.303(30),
3.089(50),
2.763(100),
2.257(60),
2.004(60),
1.713(30),
1.651(40)

XRD chart Katoite

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)

2.76

2.663 ( ρ calc. Mineralienatlas )

Preface

Gen­er­a­tion con­di­tions

hydrothermal, in Hohlräumen phonolithischer Laven mit intrudierten tonhaltige Mergeln

Asso­cia­tions

Zeolithe, Calcit, Wollastonit, Tobermorit, Afwillit, Gehlenit, Portlandit, Cordierit, Jennit, Hämatit, Ettringit

Name from

Katoit wurde nach dem japanischen Mineralogen Akira Kato beannt.

Author (Name, Year)

Passaglia & Rinaldi, 1984

References

European Journal of Mineralogy 15 (2003), 419.

Grew, E.S., Locock, A.J., Mills, S.J., Galuskina, I.O., Galuskin, E.V., Halenius, U., 2012; Nomenclature of the garnet supergroup. American Mineralogist; preprint December 2012 - [Formel]

IMA group assignments

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

Pyrope

{Mg3}[Al2](Si3)O12

kubisch : m3m : Ia3d

9.AD.25

'Garnet supergroup'

neue Definition: {X3}[Y2](Z3)φ12

kubisch : kubisch-hexakisoktaedrisch

9.AD.25

Katoite

{Ca3}[Al2](☐3)(OH)12

kubisch : m3m : Ia3d

9.AD.25

Majorite

Mg3(MgSi)(SiO4)3

9.AD.25

'Melanite' (Var.v. Andradite)

9.AD.25

Rubinite

Ca3Ti3+2Si3O12

kubisch : m3m : Ia3d

9.AD.25

Wadalite

Ca6Al5Si2O16Cl3

kubisch : 43m : I43d

9.AD.25

Almandine

{Fe2+3}[Al2](Si3)O12

kubisch : m3m : Ia3d

9.AD.25

Andradite

{Ca3}[Fe3+2](Si3)O12

kubisch : m3m : Ia3d

9.AD.25

Calderite

{Mn2+3}[Fe3+2](Si3)O12

kubisch : m3m : Ia3d

9.AD.25

'Hessonite' (Var.v. Grossular)

Ca3Al2(SiO4)3

9.AD.25

'Hibschite' (Var.v. Grossular)

Ca3Al2(SiO4)3-x(OH)4*x {x<0.2-1.5}

kubisch : m3m : Ia3d

9.AD.25

Kimzeyite

{Ca3}[Zr2](SiAl2)O12

kubisch : m3m : Ia3d

9.AD.25

Uvarovite

{Ca3}[Cr3+2](Si3)O12

kubisch : m3m : Ia3d

9.AD.25

Goldmanite

{Ca3}[V3+2](Si3)O12

kubisch : m3m : Ia3d

9.AD.25

Grossular

{Ca3}[Al2](Si3)O12

kubisch : m3m : Ia3d

9.AD.25

Holtstamite

{Ca3}[Al2](Si2)(☐)O8(OH)4

tetragonal : 4/mmm : I41/acd

9.AD.25

Hutcheonite

{Ca3}[Ti2](SiAl2)O12

kubisch : m3m : Ia3d

9.AD.25

Knorringite

{Mg3}[Cr3+2](Si3)O12

kubisch : m3m : Ia3d

9.AD.25

Morimotoite

{Ca3}[TiFe2+](Si3)O12

kubisch : m3m : Ia3d

9.AD.25

Schorlomite

{Ca3}[Ti2](SiFe3+2)O12

kubisch : m3m : Ia3d

9.AD.25

Spessartine

{Mn2+3}[Al2](Si3)O12

kubisch : m3m : Ia3d

9.AD.25

Momoiite

{Mn2+3}[V3+2](Si3)O12

kubisch : m3m : Ia3d

9.AD.25

Kerimasite

{Ca3}[Zr2](SiFe3+2)O12

kubisch : m3m : Ia3d

9.AD.25

Toturite

{Ca3}[Sn4+2](SiFe3+2)O12

kubisch : m3m : Ia3d

9.AD.25

Menzerite-(Y)

{Y2Ca}[Mg2](Si3)O12

kubisch : m3m : Ia3d

9.AD.25

Elbrusite

{Ca3}[U6+0.5Zr1.5](Fe3+3)O12

kubisch : m3m : Ia3d

9.AD.25

Bitikleite

{Ca3}[Sb5+Sn4+](Al3)O12

kubisch : m3m : Ia3d

9.AD.25

Usturite

{Ca3}[Sb5+Zr](Fe3+3)O12

kubisch : m3m : Ia3d

9.AD.25

Eringaite

{Ca3}[V3+2](Si3)O12

kubisch : m3m : Ia3d

9.AD.25

Dzhuluite

{Ca3}[Sb5+Sn4+](Fe3+3)O12

kubisch : m3m : Ia3d

9.AD.25

Irinarassite

{Ca3}[Sn4+2](SiAl2)O12

kubisch : m3m : Ia3d

9.AD.25

Eltyubyuite

Ca12Fe3+10Si4O32Cl6

kubisch : 43m : I43d

9.AD.25

Adrianite

Ca12(Al4Mg3Si7)O32Cl6

kubisch : 43m : I43d

9.AD.25

Priscillagrewite-(Y)

YCa2Zr2Al3O12

kubisch : m3m : Ia3d

9.AD.25

'Hydroandradite' (Var.v. Andradite)

Ca3Fe3+2(SiO4)3-x(OH)4x

9.AD.25

'Hydrougrandite'

(Ca,Mg,Fe2+)3(Fe3+,Al)2(SiO4)3-x(OH)4x

9.AD.25

Nikmelnikovite

Ca12Fe2+Fe3+3Al3(SiO4)6(OH)20

trigonal : 3 : R3

9.AD.25

Henritermierite

{Ca3}[Mn3+2](Si2)(☐)O8(OH)4

tetragonal : 4/mmm : I41/acd

9.AD.25

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

Pyrope

{Mg3}[Al2](Si3)O12

kubisch : m3m : Ia3d

VIII/A.08-010

Almandine

{Fe2+3}[Al2](Si3)O12

kubisch : m3m : Ia3d

VIII/A.08-020

Spessartine

{Mn2+3}[Al2](Si3)O12

kubisch : m3m : Ia3d

VIII/A.08-030

Calderite

{Mn2+3}[Fe3+2](Si3)O12

kubisch : m3m : Ia3d

VIII/A.08-040

Knorringite

{Mg3}[Cr3+2](Si3)O12

kubisch : m3m : Ia3d

VIII/A.08-050

Majorite

Mg3(MgSi)(SiO4)3

VIII/A.08-060

Menzerite-(Y)

{Y2Ca}[Mg2](Si3)O12

kubisch : m3m : Ia3d

VIII/A.08-065

Grossular

{Ca3}[Al2](Si3)O12

kubisch : m3m : Ia3d

VIII/A.08-070

'Hibschite' (Var.v. Grossular)

Ca3Al2(SiO4)3-x(OH)4*x {x<0.2-1.5}

kubisch : m3m : Ia3d

VIII/A.08-080

Katoite

{Ca3}[Al2](☐3)(OH)12

kubisch : m3m : Ia3d

VIII/A.08-090

'Hydrougrandite'

(Ca,Mg,Fe2+)3(Fe3+,Al)2(SiO4)3-x(OH)4x

VIII/A.08-100

Andradite

{Ca3}[Fe3+2](Si3)O12

kubisch : m3m : Ia3d

VIII/A.08-110

Schorlomite

{Ca3}[Ti2](SiFe3+2)O12

kubisch : m3m : Ia3d

VIII/A.08-120

Morimotoite

{Ca3}[TiFe2+](Si3)O12

kubisch : m3m : Ia3d

VIII/A.08-125

Uvarovite

{Ca3}[Cr3+2](Si3)O12

kubisch : m3m : Ia3d

VIII/A.08-130

Momoiite

{Mn2+3}[V3+2](Si3)O12

kubisch : m3m : Ia3d

VIII/A.08-138

Goldmanite

{Ca3}[V3+2](Si3)O12

kubisch : m3m : Ia3d

VIII/A.08-140

Eringaite

{Ca3}[V3+2](Si3)O12

kubisch : m3m : Ia3d

VIII/A.08-145

Kimzeyite

{Ca3}[Zr2](SiAl2)O12

kubisch : m3m : Ia3d

VIII/A.08-150

Irinarassite

{Ca3}[Sn4+2](SiAl2)O12

kubisch : m3m : Ia3d

VIII/A.08-175

Toturite

{Ca3}[Sn4+2](SiFe3+2)O12

kubisch : m3m : Ia3d

VIII/A.08-180

Kerimasite

{Ca3}[Zr2](SiFe3+2)O12

kubisch : m3m : Ia3d

VIII/A.08-185

Wadalite

Ca6Al5Si2O16Cl3

kubisch : 43m : I43d

VIII/A.08-200

Eltyubyuite

Ca12Fe3+10Si4O32Cl6

kubisch : 43m : I43d

VIII/A.08-205

Holtstamite

{Ca3}[Al2](Si2)(☐)O8(OH)4

tetragonal : 4/mmm : I41/acd

VIII/A.08-210

Henritermierite

{Ca3}[Mn3+2](Si2)(☐)O8(OH)4

tetragonal : 4/mmm : I41/acd

VIII/A.08-220

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

'Hibschite' (Var.v. Grossular)

Ca3Al2(SiO4)3-x(OH)4*x {x<0.2-1.5}

kubisch : m3m : Ia3d

9.AC.700

'Hydrougrandite'

(Ca,Mg,Fe2+)3(Fe3+,Al)2(SiO4)3-x(OH)4x

9.AC.710

Henritermierite

{Ca3}[Mn3+2](Si2)(☐)O8(OH)4

tetragonal : 4/mmm : I41/acd

9.AC.720

Holtstamite

{Ca3}[Al2](Si2)(☐)O8(OH)4

tetragonal : 4/mmm : I41/acd

9.AC.730

Katoite

{Ca3}[Al2](☐3)(OH)12

kubisch : m3m : Ia3d

9.AC.760

Wadalite

Ca6Al5Si2O16Cl3

kubisch : 43m : I43d

9.AC.790

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

Bredigite

Ca7Mg(SiO4)4

orthorhombisch : mmm : Pnnm

51.04.01.01

Merwinite

Ca3Mg(SiO4)2

monoklin : 2/m : P21/a

51.04.02.01

Pyrope

{Mg3}[Al2](Si3)O12

kubisch : m3m : Ia3d

51.04.03a.01

Almandine

{Fe2+3}[Al2](Si3)O12

kubisch : m3m : Ia3d

51.04.03a.02

Spessartine

{Mn2+3}[Al2](Si3)O12

kubisch : m3m : Ia3d

51.04.03a.03

Knorringite

{Mg3}[Cr3+2](Si3)O12

kubisch : m3m : Ia3d

51.04.03a.04

Majorite

Mg3(MgSi)(SiO4)3

51.04.03a.05

Calderite

{Mn2+3}[Fe3+2](Si3)O12

kubisch : m3m : Ia3d

51.04.03a.06

Andradite

{Ca3}[Fe3+2](Si3)O12

kubisch : m3m : Ia3d

51.04.03b.01

Grossular

{Ca3}[Al2](Si3)O12

kubisch : m3m : Ia3d

51.04.03b.02

Uvarovite

{Ca3}[Cr3+2](Si3)O12

kubisch : m3m : Ia3d

51.04.03b.03

Goldmanite

{Ca3}[V3+2](Si3)O12

kubisch : m3m : Ia3d

51.04.03b.04

Schorlomite

{Ca3}[Ti2](SiFe3+2)O12

kubisch : m3m : Ia3d

51.04.03c.01

Kimzeyite

{Ca3}[Zr2](SiAl2)O12

kubisch : m3m : Ia3d

51.04.03c.02

Morimotoite

{Ca3}[TiFe2+](Si3)O12

kubisch : m3m : Ia3d

51.04.03c.03

'Hibschite' (Var.v. Grossular)

Ca3Al2(SiO4)3-x(OH)4*x {x<0.2-1.5}

kubisch : m3m : Ia3d

51.04.03d.01

Katoite

{Ca3}[Al2](☐3)(OH)12

kubisch : m3m : Ia3d

51.04.03d.02

Henritermierite

{Ca3}[Mn3+2](Si2)(☐)O8(OH)4

tetragonal : 4/mmm : I41/acd

51.04.04.01

Wadalite

Ca6Al5Si2O16Cl3

kubisch : 43m : I43d

51.04.05.01

Rondorfite

Ca8Mg[Cl2|(SiO4)4]

kubisch : m3 : Fd3

51.04.06.01

Other languages

German

Katoit

French

Katoite

English

Katoite

Spanish

Katoíta

Russian

Катоит

Japanese

加藤柘榴石

Alternative Name

C3AH6

Tricalcium Aluminate Hydrate

CNMNC (IMA)-Number

IMA 1982-080

IMA/CNMNC List of Mineral Names; May 2017

CNMNC symbol

Symbol

Kto

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

German pages

DeWikiPedia - search for: Katoit
Google-Bilder-Suche - search for: Katoit
Mineralogisch-Petrographisches-Institut Hamburg - search for: Katoit

English pages

Mindat - search for: Katoite
Webmineral - search for:Katoite
Handbook-of-Mineralogy - search for: Katoite
RRUFF - Raman, XRD and other mineral data - search for: Katoite
RRUFF - References and PDF downloads - search for: Katoite
American-Mineralogist-Crystal-Structure-Database - search for: Katoite
Athena - search for: Katoite
Strahlen.org - search for: Katoite
Mineralienatls.de (Forum) - search for: Katoit

Russian pages

Webmineral.ru - search for: Катоит

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Katoit
Crystal-Treasure.com - search for: Katoit
Bosse - search for: Katoit
Edelsteine Neuburg - Gundolf Fischer - search for: Katoit

Locations with GPS information