Franklinfurnaceite Mineral Data (original) (raw)

General Franklinfurnaceite Information

Help on Chemical Formula: Chemical Formula:

Ca2(Fe+++,Al)Mn+++Mn++3Zn2Si2O10(OH)8

Help on Composition: Composition:

Molecular Weight = 831.54 gm

Calcium 9.64 % Ca 13.49 % CaO

Manganese 26.43 % Mn 25.59 % MnO / 9.49 % Mn2O3

Aluminum 0.81 % Al 1.53 % Al2O3

Zinc 15.73 % Zn 19.58 % ZnO

Iron 5.04 % Fe 7.20 % Fe2O3

Silicon 6.76 % Si 14.45 % SiO2

Hydrogen 0.97 % H 8.67 % H2O

Oxygen 34.63 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Help on Empirical Formula: Empirical Formula:

Ca2Fe3+0.75Al0.25Mn3+Mn2+3Zn2Si2O10(OH)8

Help on Environment: Environment:

A late-stage mineral in vugs in a metamorphosed stratiform zinc deposit.

Help on IMA Status: IMA Status:

Approved IMA 1987

Help on Locality: Locality:

Franklin Furnace, the former name for Franklin, New Jersey, USA. Link to MinDat.org Location Data.

Help on Name Origin: Name Origin:

Named after the locality.

Help on Name Pronunciation: Name Pronunciation:

Franklinfurnaceite + Pronunciation Say FRANKLINFURNACEITE

Franklinfurnaceite Image

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Franklinfurnaceite Crystallography

Help on Axial Ratios: Axial Ratios:

a:b:c =0.5839:1:1.5452

Help on Cell Dimensions: Cell Dimensions:

a = 5.483, b = 9.39, c = 14.51, Z = 2; beta = 97.04° V = 741.42 Den(Calc)= 3.72

Help on Crystal System: Crystal System:

Monoclinic - SphenoidalH-M Symbol (2) Space Group: C 2

Help on X Ray Diffraction: X Ray Diffraction:

By Intensity(I/Io): 2.305(1), 2.707(0.8), 2.602(0.7),

Click Here for Large Franklinfurnaceite Structure Window Crystal Structure:

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| | Peacor D R , Rouse R C , Bailey S W , American Mineralogist , 73 (1988) p.876-887, Crystal structure of franklinfurnaceite: A tri-dioctahedral zincosilicate, intermediate between chlorite and mica | | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |

Physical Properties of Franklinfurnaceite

Help on Cleavage: Cleavage:

{???} Perfect

Help on Color: Color:

Dark brown.

Help on Density: Density:

3.66

Help on Diaphaneity: Diaphaneity:

Translucent

Help on Hardness: Hardness:

3 - Calcite

Help on Luster: Luster:

Vitreous (Glassy)

Help on Streak: Streak:

brown

Optical Properties of Franklinfurnaceite

Help on Gladstone-Dale: Gladstone-Dale:

CI meas= 0.026 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.041 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2143,KPDmeas= 0.2179,KC= 0.2236
Ncalc = 1.82 - 1.83

Help on Optical Data: Optical Data:

Biaxial (-), a=1.792, b=1.798, g=1.802, bire=0.0100, 2V(Calc)=78, 2V(Meas)=79.

Calculated Properties of Franklinfurnaceite

Help on Electron Density: Electron Density:

Bulk Density (Electron Density)=3.55 gm/cc
note: Specific Gravity of Franklinfurnaceite =3.66 gm/cc.

Help on Fermion Index: Fermion Index:

Fermion Index = 0.01
Boson Index = 0.99

Help on Photoelectric: Photoelectric:

PEFranklinfurnaceite = 17.54 barns/electron
U=PEFranklinfurnaceite x rElectron Density= 62.20 barns/cc.

Help on Radioactivity: Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Franklinfurnaceite is Not Radioactive

Franklinfurnaceite Classification

Help on Dana Class: Dana Class:

71.04.03.01 (71)Phyllosilicate Sheets of Six-Membered Rings

(71.04)interlayered 1:1, 2:1, and octahedra

(71.04.03)Dana Group

71.04.03.01 Franklinfurnaceite Ca2(Fe,Al)MnMn3Zn2Si2O10(OH)8 C 2 2

Help on Strunz Class: Strunz Class:

09.EC.55 09 - SILICATES (Germanates)

09.E - Phyllosilicates

09.EC -Phyllosilicates with mica sheets, composed of tetrahedral and octahedral nets

09.EC.55 Donbassite Al2[Al2.33][Si3AlO10](OH)8 C 2/m 2/m

09.EC.55 Baileychlore (Zn,Al,[])3[Fe2Al][Si3AlO10](OH)8 C1,C1 Tri

09.EC.55 Clinochlore (Mg,Fe)5Al(Si3Al)O10(OH)8 C 2/m 2/m

09.EC.55 Cookeite LiAl4(Si3Al)O10(OH)8 P 21/a 2/m

09.EC.55 Chamosite (Fe,Mg,Fe)5Al(Si3Al)O10(OH,O)8 C 2/m 2/m

09.EC.55 Franklinfurnaceite Ca2(Fe,Al)MnMn3Zn2Si2O10(OH)8 C 2 2

09.EC.55 Nimite (Ni,Mg,Fe)5Al(Si3Al)O10(OH)8 C 2/m 2/m

09.EC.55 Gonyerite Mn3[Mn3Fe][(Si,Fe)4O10](OH,O)8 pseudo-HEX Ortho

09.EC.55 Odinite (Fe,Mg,Al,Fe,Ti,Mn)2.5(Si,Al)2O5(OH)4 Cm m

09.EC.55 Orthochamosite (Fe,Mg,Fe)5Al(Si3Al)O10(OH,O)8 C3m-pseudoHEX Ortho

09.EC.55 Pennantite Mn5Al(Si3Al)O10(OH)8 C 2/m 2/m

09.EC.55 Sudoite Mg2(Al,Fe)3Si3AlO10(OH)8 C 2/m 2/m

09.EC.55 Glagolevite! NaMg6[Si3AlO10](OH,O)8•H2O C1 1

09.EC.55 Borocookeite! Li(13x)Al(4-x)(BSi3)O10(OH,F)8[x=0-0.33] pseudo C 2/m 2/m

Other Franklinfurnaceite Information

Help on References: References:

NAME( AntBidBlaNic2) PHYS. PROP.(Am.Min.,Vol.72,p812-815,1987) OPTIC PROP.(Am.Min.,Vol.72,p812-815,1987)

Help on See Also: See Also:

Links to other databases for Franklinfurnaceite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Franklin Minerals(Dunn)
6 - GeoScienceWorld
7 - Google Images
8 - Google Scholar
9 - Handbook of Mineralogy (MinSocAm)
10 - Handbook of Mineralogy (UofA)
11 - MinDAT
12 - Mineralienatlas (Deutsch)
13 - Online Mineral Museum
14 - QUT Mineral Atlas
15 - Ruff.Info
16 - WWW-MINCRYST

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Print or Cut-and-Paste your Franklinfurnaceite Specimen Label here :

Franklinfurnaceite

Ca2(Fe+++,Al)Mn+++Mn++3Zn2Si2O10(OH)8
Dana No: 71.04.03.01 Strunz No: 09.EC.55
Locality:

Notes: