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General Fluoro-ferroleakeite Information |
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 Chemical Formula: |
NaNa2(Fe++2Fe+++2Li)Si8O22F2 | ||
| Composition: |
Molecular Weight = 913.97 gm | ||
| Sodium 7.55 % Na 10.17 % Na2O | |||
| Lithium 0.76 % Li 1.63 % Li2O | |||
| Iron 24.44 % Fe 15.72 % FeO / 17.47 % Fe2O3 | |||
| Silicon 24.58 % Si 52.59 % SiO2 | |||
| Oxygen 38.51 % O | |||
| Fluorine 4.16 % F 4.16 % F | |||
| - % F -1.75 % -O=F2 | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Empirical Formula: |
Na3Fe2+2Fe3+2Li(Si8O22)F2 | ||
| Environment: |
Mildly perialkaline porphyry. | ||
| IMA Status: |
Approved IMA 1996 | ||
| Locality: |
The Canada Pinabete pluton, Wuesta, New Mexico, USA. Link to MinDat.org Location Data. | ||
| Name Origin: |
Named after its composition containing fluorine and iron and with the mineral leakeite. | ||
| Synonym: |
IMA1993-026 | ||
Fluoro-ferroleakeite Image | |||
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Images:
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Images:
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Fluoro-ferroleakeite Crystallography |
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| Axial Ratios: |
a:b:c =0.5458:1:0.2962 | ||
| Cell Dimensions: |
a = 9.792, b = 17.938, c = 5.3133, Z = 2; beta = 103.867° V = 906.07 Den(Calc)= 3.35 | ||
| Crystal System: |
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/m | ||
| X Ray Diffraction: |
By Intensity(I/Io): 2.71(1), 2.536(0.92), 3.404(0.57), | ||
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Crystal Structure:
Mouse |
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Physical Properties of Fluoro-ferroleakeite |
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| Cleavage: |
{110} Perfect | ||
| Color: |
Bluish black, Black. | ||
| Density: |
3.37 | ||
| Diaphaneity: |
Opaque | ||
| Fracture: |
Brittle - Uneven - Very brittle fracture producing uneven fragments. | ||
| Habit: |
Anhedral Grains - Granular minerals without the expression of crystal shapes | ||
| Habit: |
Tabular - Form dimensions are thin in one direction. | ||
| Hardness: |
6 - Orthoclase | ||
| Luster: |
Vitreous (Glassy) | ||
| Streak: |
bluish gray | ||
Optical Properties of Fluoro-ferroleakeite |
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| Gladstone-Dale: |
CI meas= 0.079 (Fair) - where the CI = (1-KPDmeas/KC) CI calc= 0.073 (Fair) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2042,KPDmeas= 0.203,KC= 0.2203 Ncalc = 1.74 |
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| Optical Data: |
Biaxial (-), a=1.675, b=1.683, g=1.694, bire=0.0190, 2V(Calc)=82, 2V(Meas)=87. Dispersion not discernible. | ||
Calculated Properties of Fluoro-ferroleakeite |
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| Electron Density: |
Bulk Density (Electron Density)=3.27 gm/cc note: Specific Gravity of Fluoro-ferroleakeite =3.35 gm/cc. |
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| Fermion Index: |
Fermion Index = 0.01 Boson Index = 0.99 |
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| Photoelectric: |
PEFluoro-ferroleakeite = 8.38 barns/electron U=PEFluoro-ferroleakeite x rElectron Density= 27.41 barns/cc. |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Fluoro-ferroleakeite is Not Radioactive |
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Fluoro-ferroleakeite Classification |
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| Dana Class: |
66.01.03c.15 (66)Inosilicate Double-Width Unbranched Chains, W=2 | ||
| (66.01)with P=2 amphibole configuration | |||
| (66.01.03c)Group 4, the sodic amphiboles | |||
| Strunz Class: |
09.DE.25 09 - SILICATES (Germanates) | ||
| 09.D - Inosilicates* Structural terminology according to Liebau (1985) | |||
| 09.DE -Inosilicates with 2-periodic double chains, Si4O11; amphibole family | |||
Other Fluoro-ferroleakeite Information |
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| References: |
NAME( MinRec) PHYS. PROP.(Am.Min.,Vol.81,1996) OPTIC PROP.(MinRec) | ||
| See Also: |
Links to other databases for Fluoro-ferroleakeite : 1 - Am. Min. Crystal Structure Database 2 - Athena 3 - GeoScienceWorld 4 - Google Images 5 - Google Scholar 6 - MinDAT 7 - Mineralienatlas (Deutsch) 8 - Online Mineral Museum 9 - QUT Mineral Atlas 10 - Ruff.Info Search for Fluoro-ferroleakeite using: Visit our Advertisers for Fluoro-ferroleakeite : A Bijoux Google Search for Fluoro-ferroleakeiteAdam's Minerals Google Search for Fluoro-ferroleakeite Cape Minerals Google Search for Fluoro-ferroleakeite Dakota Matrix Minerals Google Search for Fluoro-ferroleakeite Excalibur Mineral Corp. Google Search for Fluoro-ferroleakeite Exceptional Minerals Google Search for Fluoro-ferroleakeite John Betts Fine Minerals Search for Fluoro-ferroleakeite McDougall Minerals Google Search for Fluoro-ferroleakeite Mineral News Website Link Rock and Mineral Shows Google Search for Fluoro-ferroleakeite Weinrich Minerals, Inc. Google Search for Fluoro-ferroleakeite Ask about Fluoro-ferroleakeite here : Print or Cut-and-Paste your Fluoro-ferroleakeite Specimen Label here :
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