Nyboite Mineral Data + Say NYBOITE

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General Nyboite Information
Help on Chemical Formula: Chemical Formula: NaNa2(Mg3Al2)Si7AlO22(OH)2
Help on Composition: Composition: Molecular Weight = 826.37 gm
   Potassium   0.14 %  K     0.17 % K2O
   Sodium      6.79 %  Na    9.15 % Na2O
   Calcium     1.70 %  Ca    2.38 % CaO
   Magnesium   8.79 %  Mg   14.58 % MgO
   Titanium    0.12 %  Ti    0.19 % TiO2
   Aluminum    7.02 %  Al   13.26 % Al2O3
   Iron        4.12 %  Fe    3.56 % FeO /  1.93 % Fe2O3
   Silicon    24.54 %  Si   52.50 % SiO2
   Nickel      0.07 %  Ni    0.09 % NiO
   Hydrogen    0.24 %  H     2.18 % H2O
   Oxygen     46.47 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na0.79K0.03Na1.65Ca0.35Mg2.99Fe2+0.41Fe3+0.2Al1.37Ti0.02Ni0.01Si7.22Al0.78O22(OH)2
Help on Environment: Environment: Found in eclogite environments. Ultra-high pressure amphibole mineral.
Help on IMA Status: IMA Status: Approved IMA 1981
Help on Locality: Locality: Nybo pod, Nordfjord, Norway. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Synonym: Synonym: IMA2002-010
  Miyashiroite
 

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Nyboite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.5444:1:0.2987
Help on Cell Dimensions: Cell Dimensions: a = 9.665, b = 17.752, c = 5.303, Z = 2; beta = 104.11° V = 882.40 Den(Calc)= 3.11
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.687(1)(151), 10.65(0.6)(110), 3.079(0.55)(310),2.564(0.36)(061), 2.931(0.32)(221), 4.439(0.31)(040), 2.144(0.28)(261), 1.509(0.26)(263),
Click Here for Large Nyboite Structure Window Crystal Structure:

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Raudsepp M , Turnock A C , Hawthorne F C , American Mineralogist , 72 (1987) p.959-964, Characterization of cation ordering in synthetic scandium-fluor-eckermannite,, indium-fluor-eckermannite, and scandium-fluor-nyboite by Rietveld structure, refinement, Sample: FScNY-A3

View Additional jPOWD Structure files for Nyboite
[1]
 

Physical Properties of Nyboite

Help on Cleavage: Cleavage: [110] Good, [110] Good
Help on Color: Color: Blue, Gray green.
Help on Density: Density: 3.12
Help on Diaphaniety: Diaphaniety: Transparent to Translucent
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Habit: Habit: Inclusions - Generally found as inclusions in other minerals.
Help on Hardness: Hardness: 6 - Orthoclase
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Nyboite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.042 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= -0.046 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2122,KPDmeas= 0.2115,KC= 0.2029
Help on Optical Data: Optical Data: Biaxial (-), a=1.65, g=1.67, bire=0.0200
Help on Pleochroism (x): Pleochroism (x): colorless.
Help on Pleochroism (y): Pleochroism (y): pale brownish pink.
Help on Pleochroism (z): Pleochroism (z): pale bluish green.
 

Calculated Properties of Nyboite

Help on Electron Density: Electron Density:

relectron=3.10 gm/cc
note: rNyboite =3.12 gm/cc.
Help on Fermion Index Fermion Index Fermion Index = 0.02153
Boson Index = 0.97847
Help on Photoelectric: Photoelectric:

PENyboite = 2.93 barns/electron
U=PENyboite x relectron= 9.08 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 2.03 (Gamma Ray American Petroleum Institute Units)

Estimated Radioactivity from Nyboite - barely detectable

 

Nyboite Classification
Help on Dana Class: Dana Class: 66.1.3c.11 (66)Inosilicate Double-Width Unbranched Chains, W=2
  (66.1)Dana Type
  (66.1.3c)Group 4, the sodic amphiboles
 
66.1.3c.1 Glaucophane []Na2(Mg3Al2)Si8O22(OH)2 C 2/m 2/m
 
66.1.3c.2 Ferroglaucophane []Na2(Fe3Al2)Si8O22(OH)2 C 2/m 2/m
 
66.1.3c.3 Crossite? Na2(Mg,Fe)3(Al,Fe)2Si8O22(OH)2 C 2/m 2/m
 
66.1.3c.4 Magnesioriebeckite []Na2(Mg3Fe2)Si8O22(OH)2 C 2/m 2/m
 
66.1.3c.5 Riebeckite []Na2(Fe3Fe2)Si8O22(OH)2 C 2/m 2/m
 
66.1.3c.6 Eckermannite NaNa2(Mg4Al)Si8O22(OH)2 C 2/m 2/m
 
66.1.3c.7 Ferro-eckermannite NaNa2(Fe4Al)Si8O22(OH)2 C 2/m 2/m
 
66.1.3c.8 Magnesio-arfvedsonite NaNa2(Mg4Fe)Si8O22(OH)2 C 2/m 2/m
 
66.1.3c.9 Arfvedsonite NaNa2(Fe4Fe)Si8O22(OH)2 C 2/m 2/m
 
66.1.3c.9a Fluoro-magnesio-arfvedsonite! NaNa2(Mg,Fe)4Fe[Si8O22](F,OH)2 C 2/m 2/m
 
66.1.3c.9b Potassicarfvedsonite! KNa2Fe4FeSi8O22(OH)2 C 2/m 2/m
 
66.1.3c.10 Kozulite NaNa2Mn4(Fe,Al)Si8O22(OH)2 C 2/m 2/m
 
66.1.3c.11 Nyboite NaNa2(Mg3Al2)Si7AlO22(OH)2 C 2/m 2/m
 
66.1.3c.11a Ferronyboite! NaNa2(Fe)3Al2(Si7Al)O22(OH)2 C 2/m 2/m
 
66.1.3c.11b Ferric-ferronyboite! NaNa2(Fe)3(Fe)2(Si7Al)O22(OH)2 C 2/m 2/m
 
66.1.3c.11c Fluoronyboite! NaNa2(Al2Mg3)(Si7Al)O22(F,OH)2 C 2/m 2/m
 
66.1.3c.12 Leakeite NaNa2(Mg2Fe2Li)Si8O22(OH)2 C 2/m 2/m
 
66.1.3c.12a Ferroleakeite! NaNa2(Fe)3(Fe)2Li(Si8O22)(OH)2 C 2/m 2/m
 
66.1.3c.12b Potassicleakeite! KNa2Mg2Fe2LiSi8O22(OH)2 C 2/m 2/m
 
66.1.3c.13 Kornite Na(CaNa)Fe4(Al,Fe)Si7AlO22(OH)2 C 2/m 2/m
 
66.1.3c.14 Ungarettiite NaNa2(Mn2Mn3)Si8O22O2 C 2/m 2/m
 
66.1.3c.15 Fluoro-ferroleakeite NaNa2(Fe2Fe2Li)Si8O22F2 C 2/m 2/m
 
66.1.3c.16 Obertiite! NaNa2(Mg3FeTi)Si8O22(O,F,OH)2 C 2/m 2/m
 
66.1.3c.17 Dellaventuraite! NaNa2(Mg2,Mn,Li,Ti)Si8O22O2 C 2/m 2/m
Help on Strunz Class: Strunz Class: VIII/F.08-60 VIII - Silicates
  VIII/F - Inosilicates (chain and band) double chains [Si4O11]6-, Alkali-Amphiboles
  VIII/F.08 - Amphibole group, Glaucophane - Riebeckite - Kozulite series
 
VIII/F.08-10 Glaucophane []Na2(Mg3Al2)Si8O22(OH)2 C 2/m 2/m
 
VIII/F.08-20 Ferroglaucophane []Na2(Fe3Al2)Si8O22(OH)2 C 2/m 2/m
 
VIII/F.08-30 Crossite? Na2(Mg,Fe)3(Al,Fe)2Si8O22(OH)2 C 2/m 2/m
 
VIII/F.08-40 Magnesioriebeckite []Na2(Mg3Fe2)Si8O22(OH)2 C 2/m 2/m
 
VIII/F.08-50 Riebeckite []Na2(Fe3Fe2)Si8O22(OH)2 C 2/m 2/m
 
VIII/F.08-56 Fluoronyboite! NaNa2(Al2Mg3)(Si7Al)O22(F,OH)2 C 2/m 2/m
 
VIII/F.08-60 Nyboite NaNa2(Mg3Al2)Si7AlO22(OH)2 C 2/m 2/m
 
VIII/F.08-65 Ferronyboite! NaNa2(Fe)3Al2(Si7Al)O22(OH)2 C 2/m 2/m
 
VIII/F.08-67 Ferric-ferronyboite! NaNa2(Fe)3(Fe)2(Si7Al)O22(OH)2 C 2/m 2/m
 
VIII/F.08-70 Eckermannite NaNa2(Mg4Al)Si8O22(OH)2 C 2/m 2/m
 
VIII/F.08-80 Ferro-eckermannite NaNa2(Fe4Al)Si8O22(OH)2 C 2/m 2/m
 
VIII/F.08-81 Ferripedrizite! NaLi2(Fe2Mg2Li)Si8O22(OH)2 C 2/m 2/m
 
VIII/F.08-83 Sodic-ferripedrizite! Na(LiNa)(Fe2Mg2Li)Si8O22(OH,F)2 C 2/m 2/m
 
VIII/F.08-84 Ferroleakeite! NaNa2(Fe)3(Fe)2Li(Si8O22)(OH)2 C 2/m 2/m
 
VIII/F.08-85 Leakeite NaNa2(Mg2Fe2Li)Si8O22(OH)2 C 2/m 2/m
 
VIII/F.08-86 Fluoro-ferroleakeite NaNa2(Fe2Fe2Li)Si8O22F2 C 2/m 2/m
 
VIII/F.08-87 Kornite Na(CaNa)Fe4(Al,Fe)Si7AlO22(OH)2 C 2/m 2/m
 
VIII/F.08-88 Ungarettiite NaNa2(Mn2Mn3)Si8O22O2 C 2/m 2/m
 
VIII/F.08-89 Obertiite! NaNa2(Mg3FeTi)Si8O22(O,F,OH)2 C 2/m 2/m
 
VIII/F.08-90 Magnesio-arfvedsonite NaNa2(Mg4Fe)Si8O22(OH)2 C 2/m 2/m
 
VIII/F.08-92 Fluoro-magnesio-arfvedsonite! NaNa2(Mg,Fe)4Fe[Si8O22](F,OH)2 C 2/m 2/m
 
VIII/F.08-95 Sodic-ferri-ferropedrizite! NaLi2(Fe2Fe3)Si8O22(OH)2 C 2/m 2/m
 
VIII/F.08-100 Arfvedsonite NaNa2(Fe4Fe)Si8O22(OH)2 C 2/m 2/m
 
VIII/F.08-105 Ferriwhittakerite! Na(NaLi)(Mg2Fe2Li)Si8O22(OH)2 C 2/m 2/m
 
VIII/F.08-110 Kozulite NaNa2Mn4(Fe,Al)Si8O22(OH)2 C 2/m 2/m
 
VIII/F.08-112 Potassicleakeite! KNa2Mg2Fe2LiSi8O22(OH)2 C 2/m 2/m
 
VIII/F.08-125 Dellaventuraite! NaNa2(Mg2,Mn,Li,Ti)Si8O22O2 C 2/m 2/m
 
VIII/F.08-157 Potassicarfvedsonite! KNa2Fe4FeSi8O22(OH)2 C 2/m 2/m
 

Other Nyboite Information
Help on References: References: NAME( Dana8) PHYS. PROP.(MinMag, v 64, p 769) OPTIC PROP.(MinMag, v 64, p 769)
Help on See Also: See Also: Links to other databases for Nyboite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (MinSocAm) 7 -Handbook of Mineralogy (UofA) 8 -MinDAT 9 -MinMax(Deutsch) 10 -MinMax(English) 11 -Mineralienatlas (Deutsch) 12 -QUT Mineral Atlas 13 - WWW-MINCRYST 14 -École des Mines de Paris

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Nyboite

NaNa2(Mg3Al2)Si7AlO22(OH)2
Dana No: 66.1.3c.11 Strunz No: VIII/F.08-60
Locality:

 

Notes:

 
 
   
 
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