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Franklinfurnaceite

Additional Functions

Collectors Summary

Color dunkelbraun
Streak color braun
Hardness (Mohs) 3
Solubility ++ HCl
Crystal System monoklin, C2

Chemism

Chem­ical formula

Ca2(Fe3+,Al)Mn3+Mn32+Zn2Si2O10(OH)8

Chem­ical com­po­si­tion

Aluminium, Calcium, Eisen, Mangan, Silicium, Zink, Sauerstoff, Wasserstoff

Unit weight: 831.58146015 u; Number of atoms in the formula: 37

Info

Empirical formula:

Ca2(Fe0.75Al0.25)MnMn3Zn2Si2O10(OH)8

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.97

8

21.62

1.0079470

8.0635760

Oxygen

O

34.63

18

48.65

15.9994300

287.9897400

Aluminium

Al

0.81

0.25

0.68

26.9815382

6.7453846

Silicon

Si

6.75

2

5.41

28.0855300

56.1710600

Calcium

Ca

9.64

2

5.41

40.0784000

80.1568000

Manganese

Mn

26.43

4

10.81

54.9380499

219.7521996

Iron

Fe

5.04

0.75

2.03

55.8452000

41.8839000

Zinc

Zn

15.73

2

5.41

65.4094000

130.8188000

Anal­y­sis wt%

SiO2 : 15.00, Al2O3 : 0.40, Fe2O3 : 9.30, MgO : 0.60, CaO : 12.60, ZnO : 24.10, MnO : 19.00, Mn2O3 : 10.60, H2O : 8.40 (Ref: American Mineralogist 87)

Strunz 9th edi­tion incl. updates

9.EC.55

9: Silikate (Germanate)
E: Schichtsilikate (Phyllosilikate)
C: Schichtsilikate (Phyllosilikate) mit Glimmer Tafeln, zusammengesetzt aus tetrahedralen oder octahedralen Netzen
55:Chlorit Gruppe

Lapis Clas­sifica­tion

VIII/H.23-110

VIII: SILIKATE
H: Schichtsilikate
23: Glimmerartige Schicht-silikate mit Baugruppen [Si4O10] 4- und verwandte Strukturen; Chlorit-Gruppe

Clas­sifica­tion by Hölzel

9.EM.290

9: SILICATES
E: Phyllosilicates
M: Serpentine-Group
2: Amesite-Group

Dana 8th edi­tion

71.04.03.01

71: Phyllosilicate Minerals
04: Phyllosilicates Phyllosilicate Sheets of Six-Membered Rings interlayered 1:1, 2:1, and octahedra

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Clas­sifica­tion

Chlorite group

Optical Properties

Color

dunkelbraun

Streak color

braun

Diaphane­ity (Trans­parency)

durchscheinend

max. Birefrin­gence

0.010

Birefringence chart\! Franklinfurnaceite title=Birefringence chart Franklinfurnaceite

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

1.792

RI value β

1.798

RI value γ / ε

1.802

Ri mean

1.797

2V angle

Biaxial (-) 79°

Crystallography

Crystal Sys­tem

monoklin

Class (H-M)

2

Space Group number

5

Space Group

C2

Cell param­e­ters a (Å)

5.483

Cell param­e­ters b (Å)

9.39

Cell param­e­ters c (Å)

14.51

Cell param­e­ters a/b or c/a

0.584

Cell param­e­ters c/b

1.545

Cell param­e­ters α

90°

Cell param­e­ters β

97.3

Cell param­e­ters γ

90°

Z

2

Volumne (ų)

740.997

X-Ray Pow­der Diffrac­tion

14.4(50),
3.60(40),
3.35(50),
3.20(40),
2.707(80),
2.602(70),
2.305(100),
1.577(40)

XRD chart Franklinfurnaceite

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)

3

VHN (Hard­ness Vick­ers)

83 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

3.66

3.727 ( ρ calc. Mineralienatlas )

Insta­bil­ity

++ HCl

Preface

Author (Name, Year)

Dunn & Peacor & Ramik & Su & Rouse, 1987

References

American Mineralogist 72 (1987), 812

IMA group assignments

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

Nimite

(Ni,Mg,Fe2+)5Al(Si3Al)O10(OH)8

monoklin : 2/m : C2/m

9.EC.55

Odinite

(Fe3+,Mg,Al,Fe2+,Ti,Mn)2.4(Si1.8Al0.2)O5(OH)4

9.EC.55

Sudoite

Mg2Al3(Si3Al)O10(OH)8

monoklin : 2/m : C2/m

9.EC.55

'Chlorite group'

(Fe,Mg,Al)6(Si,Al)4O10(OH)8

9.EC.55

Cookeite

LiAl4(Si3Al)O10(OH)8

triklin : 1 : C1

9.EC.55

Chamosite

(Fe2+,Mg,Fe3+)5Al(Si3Al)O10(OH,O)8

monoklin : 2/m : C2/m

9.EC.55

'Delessite' (Var.v. Chamosite)

(Mg,Fe,Fe,Al)(Si,Al)4O10(O,OH)8

9.EC.55

Gonyerite

Mn2+5Fe3+(Si3Fe3+O10)(OH)8

9.EC.55

Donbassite

Al2.3[(OH)8|AlSi3O10]

monoklin : 2 : C2

9.EC.55

'Odinite-1T' (Pol.v. Odinite)

(Fe,Mg,Al)2.5(Si,Al)2O5(OH)4

9.EC.55

Pennantite

Mn2+5Al(Si3Al)O10(OH)8

monoklin : 2/m : C2/m

9.EC.55

Glagolevite

NaMg6[(OH,O)8|AlSi3O10]·H2O

triklin : 1 : C1

9.EC.55

Clinochlore

(Mg,Fe2+)5Al(Si3Al)O10(OH)8

monoklin : 2/m : C2/m

9.EC.55

Baileychlore

(Zn,Fe2+,Al,Mg)6(Si,Al)4O10(OH)8

triklin : 1, 1 : C1, C1

9.EC.55

Borocookeite

Li1-1.5Al4-3.5[(OH,F)8|(B,Al)Si3O10]

monoklin : 2/m : C2/m

9.EC.55

'Chromian Clinochlore' (Var.v. Clinochlore)

Mg5(Al,Cr)2Si3O10(OH)8

9.EC.55

'Orthochamosite' (Pol.v. Chamosite)

(Fe2+,Mg,Fe3+)5Al(Si3Al)O10(OH,O)8

9.EC.55

Franklinfurnaceite

Ca2(Fe3+,Al)Mn3+Mn32+Zn2Si2O10(OH)8

monoklin : 2 : C2

9.EC.55

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

Donbassite

Al2.3[(OH)8|AlSi3O10]

monoklin : 2 : C2

VIII/H.23-005

Sudoite

Mg2Al3(Si3Al)O10(OH)8

monoklin : 2/m : C2/m

VIII/H.23-010

Clinochlore

(Mg,Fe2+)5Al(Si3Al)O10(OH)8

monoklin : 2/m : C2/m

VIII/H.23-020

Chamosite

(Fe2+,Mg,Fe3+)5Al(Si3Al)O10(OH,O)8

monoklin : 2/m : C2/m

VIII/H.23-030

'Orthochamosite' (Pol.v. Chamosite)

(Fe2+,Mg,Fe3+)5Al(Si3Al)O10(OH,O)8

VIII/H.23-040

Baileychlore

(Zn,Fe2+,Al,Mg)6(Si,Al)4O10(OH)8

triklin : 1, 1 : C1, C1

VIII/H.23-050

Pennantite

Mn2+5Al(Si3Al)O10(OH)8

monoklin : 2/m : C2/m

VIII/H.23-060

Nimite

(Ni,Mg,Fe2+)5Al(Si3Al)O10(OH)8

monoklin : 2/m : C2/m

VIII/H.23-070

Gonyerite

Mn2+5Fe3+(Si3Fe3+O10)(OH)8

VIII/H.23-080

Cookeite

LiAl4(Si3Al)O10(OH)8

triklin : 1 : C1

VIII/H.23-090

Borocookeite

Li1-1.5Al4-3.5[(OH,F)8|(B,Al)Si3O10]

monoklin : 2/m : C2/m

VIII/H.23-095

Manandonite

Li2Al4[(Si2AlB)O10](OH)8

triklin : 1 : C1

VIII/H.23-100

Jadarite

LiNaB3SiO7(OH)

VIII/H.23-105

Franklinfurnaceite

Ca2(Fe3+,Al)Mn3+Mn32+Zn2Si2O10(OH)8

monoklin : 2 : C2

VIII/H.23-110

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

Donbassite

Al2.3[(OH)8|AlSi3O10]

monoklin : 2 : C2

9.EM.200

'Zinalsite'

Zn7Al4(SiO4)6(OH)2·9H2O

9.EM.220

Chrysotile

Mg3Si2O5(OH)4

9.EM.24

'Clinochrysotile' (Pol.v. Chrysotile)

Mg3Si2O5(OH)4

monoklin : 2/m : C2/m

9.EM.240

'Orthochrysotile' (Pol.v. Chrysotile)

Mg3Si2O5(OH)4

orthorhombisch : mm2 : Ccm21

9.EM.245

'Parachrysotile' (Pol.v. Chrysotile)

Mg3Si2O5(OH)4

9.EM.248

Amesite

Mg2Al(SiAl)O5(OH)4

triklin : 1 : C1

9.EM.250

Manandonite

Li2Al4[(Si2AlB)O10](OH)8

triklin : 1 : C1

9.EM.260

Antigorite

(Mg,Fe2+)3Si2O5(OH)4

monoklin : m : Cm

9.EM.280

Franklinfurnaceite

Ca2(Fe3+,Al)Mn3+Mn32+Zn2Si2O10(OH)8

monoklin : 2 : C2

9.EM.290

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

Cookeite

LiAl4(Si3Al)O10(OH)8

triklin : 1 : C1

71.04.01.02

'Chromian Clinochlore' (Var.v. Clinochlore)

Mg5(Al,Cr)2Si3O10(OH)8

71.04.01.04

Borocookeite

Li1-1.5Al4-3.5[(OH,F)8|(B,Al)Si3O10]

monoklin : 2/m : C2/m

71.04.01.10

Dozyite

Mg7(Al,Fe3+,Cr)2[(OH)12|Al2Si4O15]

monoklin : m : Cm

71.04.02.01

Lunijianlaite

Li0.7Al6.2(Si7AlO20)(OH,O)10

71.04.02.02

Corrensite

(Ca,Na,K)(Mg,Fe,Al)9(Si,Al)8O20(OH)10·nH2O

71.04.02.05

Aliettite

Ca0.2Mg6(Si,Al)8O20(OH)4·4H2O

71.04.02.08

Glagolevite

NaMg6[(OH,O)8|AlSi3O10]·H2O

triklin : 1 : C1

71.04.02.09

Franklinfurnaceite

Ca2(Fe3+,Al)Mn3+Mn32+Zn2Si2O10(OH)8

monoklin : 2 : C2

71.04.03.01

Other languages

German

Franklinfurnaceit

Spanish

Franklinfurnaceita

French

Franklinfurnaceite

English

Franklinfurnaceite

Russian

Франклинфарнейсит

IMA Number

IMA 1986-034

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