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Fluoronyboite Mineral Data
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General Fluoronyboite Information
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 Chemical Formula: |
NaNa2(Al2Mg3)(Si7Al)O22(F,OH)2 |
| Composition: |
Molecular Weight = 850.22 gm |
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Potassium 0.28 % K 0.33 % K2O |
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Sodium 6.25 % Na 8.42 % Na2O |
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Calcium 2.22 % Ca 3.10 % CaO |
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Magnesium 7.29 % Mg 12.09 % MgO |
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Titanium 0.06 % Ti 0.09 % TiO2 |
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Manganese 0.06 % Mn 0.08 % MnO |
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Aluminum 6.57 % Al 12.41 % Al2O3 |
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Zinc 0.08 % Zn 0.10 % ZnO |
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Iron 7.95 % Fe 7.52 % FeO / 3.01 % Fe2O3 |
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Silicon 23.59 % Si 50.46 % SiO2 |
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Hydrogen 0.10 % H 0.89 % H2O |
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Oxygen 42.98 % O |
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Fluorine 2.59 % F 2.59 % F |
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- %
F -1.09 % -O=F2 |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Na0.78K0.06Na1.53Ca0.47Fe2+0.89Mg2.55Mn2+0.01Zn0.01Fe3+0.32Al1.21Ti0.01Si7.14Al0.86
O22(OH)0.84F1.16 |
| Environment: |
Ultra high pressure facies metamorphic mineral. Amphibole group; structure determined. |
| IMA Status: |
Approved IMA 2003 (Dana # Added) |
| Locality: |
Jianchang eclogite pod, Su-Lu coesite-eclogite province, China. Link to MinDat.org Location Data. |
| Name Origin: |
Named as the fluorine-dominant member of the nyboitic amphiboles. |
| Synonym: |
IMA2002-010 |
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Fluoronyboite Crystallography
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| Axial Ratios: |
a:b:c =0.543:1:0.2983 |
| Cell Dimensions: |
a = 9.666, b = 17.799, c = 5.311, Z = 2; beta = 104.1° V = 886.20 Den(Calc)= 3.19 |
| Crystal System: |
Monoclinic - Prismatic H-M Symbol (2/m) Space Group: C 2/m |
| X Ray Diffraction: |
By Intensity(I/Io): 2.691(1)(151), 8.307(0.64)(110), 3.079(0.58)(310),2.532(0.47)(202), 3.382(0.42)(131), 2.571(0.32)(061), 2.146(0.27)(261), 4.45(0.26)(040), |
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Physical Properties of Fluoronyboite
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| Cleavage: |
{110} Poor, {110} Poor |
| Color: |
Bluish gray. |
| Diaphaneity: |
Translucent |
| Fracture: |
Brittle - Generally displayed by glasses and most non-metallic minerals. |
| Habit: |
Inclusions - Generally found as inclusions in other minerals. |
| Hardness: |
6 - Orthoclase |
| Luster: |
Vitreous (Glassy) |
| Streak: |
white |
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Optical Properties of Fluoronyboite
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| Gladstone-Dale: |
CI calc= 0.047 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1968,KC= 0.2065
Ncalc = 1.66 |
| Optical Data: |
Biaxial (-), a=1.624, b=1.626, g=1.633, bire=0.0090, 2V(Calc)=58, 2V(Meas)=medium. Dispersion Calculated index values. |
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Calculated Properties of Fluoronyboite
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| Electron Density: |
Bulk Density (Electron Density)=3.15 gm/cc
note: Specific Gravity of Fluoronyboite =3.19 gm/cc.
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| Fermion Index: |
Fermion Index = 0.02
Boson Index = 0.98 |
| Photoelectric: |
PEFluoronyboite = 4.08 barns/electron
U=PEFluoronyboite x relectron= 12.86 barns/cc.
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| Radioactivity: |
GRapi = 3.95 (Gamma Ray American Petroleum Institute Units)
Concentration of Fluoronyboite per GRapi unit = 25.33 (%)
Estimated Radioactivity from Fluoronyboite  - barely detectable
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Fluoronyboite Classification
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| Dana Class: |
66.01.03c.11c (66)Inosilicate Double-Width Unbranched Chains, W=2 |
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(66.01)with P=2 amphibole configuration |
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(66.01.03c)Group 4, the sodic amphiboles |
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66.01.03c.01 Glaucophane []Na2(Mg3Al2)Si8O22(OH)2 C 2/m 2/m |
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66.01.03c.02 Ferroglaucophane []Na2(Fe3Al2)Si8O22(OH)2 C 2/m 2/m |
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66.01.03c.03 Crossite? Na2(Mg,Fe)3(Al,Fe)2Si8O22(OH)2 C 2/m 2/m |
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66.01.03c.04 Magnesioriebeckite []Na2[(Mg,Fe)3Fe2]Si8O22(OH)2 C 2/m 2/m |
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66.01.03c.05 Riebeckite []Na2(Fe3Fe2)Si8O22(OH)2 C 2/m 2/m |
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66.01.03c.06 Eckermannite NaNa2(Mg4Al)Si8O22(OH)2 C 2/m 2/m |
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66.01.03c.07 Ferro-eckermannite NaNa2(Fe4Al)Si8O22(OH)2 C 2/m 2/m |
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66.01.03c.08 Magnesio-arfvedsonite NaNa2(Mg4Fe)Si8O22(OH)2 C 2/m 2/m |
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66.01.03c.09 Arfvedsonite NaNa2(Fe4Fe)Si8O22(OH)2 C 2/m 2/m |
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66.01.03c.09a Fluoro-magnesio-arfvedsonite! NaNa2(Mg,Fe)4Fe[Si8O22](F,OH)2 C 2/m 2/m |
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66.01.03c.09b Potassicarfvedsonite! KNa2Fe4FeSi8O22(OH)2 C 2/m 2/m |
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66.01.03c.10 Kozulite NaNa2Mn4(Fe,Al)Si8O22(OH)2 C 2/m 2/m |
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66.01.03c.11 Nyboite NaNa2(Mg3Al2)Si7AlO22(OH)2 C 2/m 2/m |
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66.01.03c.11a Ferronyboite! NaNa2(Fe)3Al2(Si7Al)O22(OH)2 C 2/m 2/m |
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66.01.03c.11b Ferric-ferronyboite! NaNa2(Fe)3(Fe)2(Si7Al)O22(OH)2 C 2/m 2/m |
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66.01.03c.11c Fluoronyboite! NaNa2(Al2Mg3)(Si7Al)O22(F,OH)2 C 2/m 2/m |
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66.01.03c.12 Leakeite NaNa2(Mg2Fe2Li)Si8O22(OH)2 C 2/m 2/m |
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66.01.03c.12a Ferroleakeite! NaNa2(Fe)3(Fe)2Li(Si8O22)(OH)2 C 2/m 2/m |
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66.01.03c.12b Potassicleakeite! KNa2Mg2Fe2LiSi8O22(OH)2 C 2/m 2/m |
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66.01.03c.13 Kornite Na(CaNa)Fe4(Al,Fe)Si7AlO22(OH)2 C 2/m 2/m |
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66.01.03c.14 Ungarettiite NaNa2(Mn2Mn3)Si8O22O2 C 2/m 2/m |
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66.01.03c.15 Fluoro-ferroleakeite NaNa2(Fe2Fe2Li)Si8O22F2 C 2/m 2/m |
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66.01.03c.16 Obertiite! NaNa2(Mg3FeTi)Si8O22(O,F,OH)2 C 2/m 2/m |
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66.01.03c.17 Dellaventuraite! NaNa2(Mg2,Mn,Li,Ti)Si8O22O2 C 2/m 2/m |
| Strunz Class: |
09.DE.25 09 - SILICATES (Germanates) |
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09.D - Inosilicates* Structural terminology according to Liebau (1985) |
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09.DE -Inosilicates with 2-periodic double chains, Si4O11; amphibole family |
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09.DE.25 Arfvedsonite NaNa2(Fe4Fe)Si8O22(OH)2 C 2/m 2/m |
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09.DE.25 Ferroglaucophane []Na2(Fe3Al2)Si8O22(OH)2 C 2/m 2/m |
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09.DE.25 Crossite? Na2(Mg,Fe)3(Al,Fe)2Si8O22(OH)2 C 2/m 2/m |
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09.DE.25 Eckermannite NaNa2(Mg4Al)Si8O22(OH)2 C 2/m 2/m |
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09.DE.25 Glaucophane []Na2(Mg3Al2)Si8O22(OH)2 C 2/m 2/m |
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09.DE.25 Fluoro-ferroleakeite NaNa2(Fe2Fe2Li)Si8O22F2 C 2/m 2/m |
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09.DE.25 Ferro-eckermannite NaNa2(Fe4Al)Si8O22(OH)2 C 2/m 2/m |
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09.DE.25 Ferroleakeite! NaNa2(Fe)3(Fe)2Li(Si8O22)(OH)2 C 2/m 2/m |
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09.DE.25 Ferronyboite! NaNa2(Fe)3Al2(Si7Al)O22(OH)2 C 2/m 2/m |
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09.DE.25 Ferric-ferronyboite! NaNa2(Fe)3(Fe)2(Si7Al)O22(OH)2 C 2/m 2/m |
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09.DE.25 Obertiite! NaNa2(Mg3FeTi)Si8O22(O,F,OH)2 C 2/m 2/m |
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09.DE.25 Nyboite NaNa2(Mg3Al2)Si7AlO22(OH)2 C 2/m 2/m |
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09.DE.25 Magnesioriebeckite []Na2[(Mg,Fe)3Fe2]Si8O22(OH)2 C 2/m 2/m |
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09.DE.25 Kozulite NaNa2Mn4(Fe,Al)Si8O22(OH)2 C 2/m 2/m |
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09.DE.25 Kornite Na(CaNa)Fe4(Al,Fe)Si7AlO22(OH)2 C 2/m 2/m |
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09.DE.25 Leakeite NaNa2(Mg2Fe2Li)Si8O22(OH)2 C 2/m 2/m |
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09.DE.25 Magnesio-arfvedsonite NaNa2(Mg4Fe)Si8O22(OH)2 C 2/m 2/m |
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09.DE.25 Ungarettiite NaNa2(Mn2Mn3)Si8O22O2 C 2/m 2/m |
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09.DE.25 Riebeckite []Na2(Fe3Fe2)Si8O22(OH)2 C 2/m 2/m |
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09.DE.25 Potassicleakeite! KNa2Mg2Fe2LiSi8O22(OH)2 C 2/m 2/m |
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09.DE.25 Fluoronyboite! NaNa2(Al2Mg3)(Si7Al)O22(F,OH)2 C 2/m 2/m |
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09.DE.25 Fluoro-magnesio-arfvedsonite! NaNa2(Mg,Fe)4Fe[Si8O22](F,OH)2 C 2/m 2/m |
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09.DE.25 Potassicarfvedsonite! KNa2Fe4FeSi8O22(OH)2 C 2/m 2/m |
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09.DE.25 Dellaventuraite! NaNa2(Mg2,Mn,Li,Ti)Si8O22O2 C 2/m 2/m |
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Other Fluoronyboite Information
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| References: |
NAME( MinMag, v 64, p 769) PHYS. PROP.(MinMag, v 64, p 769) OPTIC PROP.(MinMag, v 64, p 769) |
| See Also: |
Links to other databases for Fluoronyboite :
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
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Fluoronyboite
NaNa2(Al2Mg3)(Si7Al)O22(F,OH)2
Dana No: 66.01.03c.11c Strunz No: 09.DE.25
Locality:
Notes:
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