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Tapiolite-(Mn)

Additional Functions

Collectors Summary

Hardness (Mohs) 6
Solubility - Säuren
Crystal System tetragonal, P42/mnm

Chemism

Chem­ical formula

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

Chem­ical com­po­si­tion

Eisen, Mangan, Niob, Tantal, Sauerstoff

Unit weight: 469.036473425 u; Number of atoms in the formula: 9

Info

Empirical formula:

(Mn0.75Fe0.25)(Ta0.75Nb0.25)2O6

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Oxygen

O

20.47

6

66.67

15.9994300

95.9965800

Manganese

Mn

8.78

0.75

8.33

54.9380499

41.2035374

Iron

Fe

2.98

0.25

2.78

55.8452000

13.9613000

Niobium

Nb

9.90

0.5

5.56

92.9063820

46.4531910

Tantalum

Ta

57.87

1.5

16.67

180.9479100

271.4218650

Anal­y­sis wt%

FeO : 3.20, MnO : 10.20, CaO : 0.40, Ta2O5 : 76.30, Nb2O5 : 8.50, SnO2 : 1.00 (Ref: Bull.Geol.Soc.Finland,83)

Strunz 9th edi­tion incl. updates

4.DB.10

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

Lapis Clas­sifica­tion

IV/D.04-020

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

Clas­sifica­tion by Hölzel

4.DD.450

4: OXIDES
D: Dioxides
D: Rutile-Group
4: Trirutiles

Dana 8th edi­tion

08.03.01.02

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

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

2V angle

Uniaxial

Crystallography

Crystal Sys­tem

tetragonal

Class (H-M)

4/mmm

Space Group number

136

Space Group

P42/mnm

Cell param­e­ters a (Å)

4.762

Cell param­e­ters b (Å)

-

Cell param­e­ters c (Å)

9.272

Cell param­e­ters a/b or c/a

1.947

Cell param­e­ters c/b

-

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

90°

Z

2

Volumne (ų)

210.258

X-Ray Pow­der Diffrac­tion

4.24(40),
3.367(100),
2.592(90),
2.381(60),
1.754(90),
1.682(60),
1.504(40),
1.411(40)

XRD chart Tapiolite-(Mn)

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

Crystals 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

6

VHN (Hard­ness Vick­ers)

711 (100g)

Density (g/cm³)

7.72 (berechnet)

7.408 ( ρ calc. Mineralienatlas )

Insta­bil­ity

- Säuren

Preface

Author (Name, Year)

Lahti & Johanson & Virkkunen, 1983

References

Geological Society of Finland, Bulletin 55 (1983), 101

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

'Tapiolite'

(Fe,Mn)(Ta,Nb)2O6

4.DB.10

Tredouxite

NiSb2O6

tetragonal : 4/mmm : P42/mnm

4.DB.10

Byströmite

MgSb2O6

tetragonal : 4/mmm : P42/mnm

4.DB.10

Ordoñezite

ZnSb2O6

tetragonal : 4/mmm : P42/mnm

4.DB.10

Tapiolite-(Fe)

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

tetragonal : 4/mmm : P42/mnm

4.DB.10

Tapiolite-(Mn)

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

tetragonal : 4/mmm : P42/mnm

4.DB.10

Related minerals "Lapis 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

IV/D.04-010

Tapiolite-(Mn)

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

tetragonal : 4/mmm : P42/mnm

IV/D.04-020

Byströmite

MgSb2O6

tetragonal : 4/mmm : P42/mnm

IV/D.04-040

Ordoñezite

ZnSb2O6

tetragonal : 4/mmm : P42/mnm

IV/D.04-050

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

Byströmite

MgSb2O6

tetragonal : 4/mmm : P42/mnm

4.DD.400

Ordoñezite

ZnSb2O6

tetragonal : 4/mmm : P42/mnm

4.DD.410

Tapiolite-(Fe)

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

tetragonal : 4/mmm : P42/mnm

4.DD.440

Tapiolite-(Mn)

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

tetragonal : 4/mmm : P42/mnm

4.DD.450

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

old name

German

Manganotapiolit

CNMNC (IMA)-Number

IMA 1983-005

CNMNC symbol

Symbol

Tap-Mn

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

German pages

DeWikiPedia - search for: Tapiolit-(Mn)
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English pages

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Russian pages

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