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Nybøite

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Formula:
NaNa2(Mg3Al2)(Si7Al)O22(OH)2
System:
Monoclinic
Colour:
Blue-grey
Lustre:
Vitreous
Hardness:
5 - 6
Name:
For the type locality
This page provides mineralogical data about Nybøite.


Classification of Nybøite

Approved
9.DE.25

9 : SILICATES (Germanates)
D : Inosilicates
E : Inosilicates with 2-periodic double chains, Si4O11; Clinoamphiboles
66.1.3c.11

66 : INOSILICATES Double-Width,Unbranched Chains,(W=2)
1 : Amphiboles - Mg-Fe-Mn-Li subgroup
16.8.3

16 : Silicates Containing Aluminum and other Metals
8 : Aluminosilicates of Mg and alkalis

Physical Properties of Nybøite

Vitreous
Colour:
Blue-grey
Hardness (Mohs):
5 - 6

Chemical Properties of Nybøite

IMA Formula:
NaNa2(Mg3Al2)(Si7Al)O22(OH)2
Mindat.org Formula:
NaNa2(Mg3Al2)(AlSi7O22)(OH)2

The nybøite group minerals are sodium amphiboles defined with A(Na+K+2Ca)> 0.5 apfu and C(Al+Fe3++2Ti) > 1.5 apfu

Nybøite is defined with

A position: Na dominant
C2+ position: Mg dominant
C3+ position: Al dominant
W position: (OH) dominant
Elements listed in formula:

Crystallography of Nybøite

Crystal System:
Monoclinic

Type Occurrence of Nybøite

Relationship of Nybøite to other Species

Other Members of Group:
Ferri-fluoro-nybøiteNaNa2(Mg3Fe23+)(AlSi7O22)F2
Ferri-nybøiteNaNa2(Mg3Fe23+](AlSi7O22)(OH)2
Ferro-ferri-fluoro-nybøiteNaNa2(Fe32+Fe23+)(AlSi7O22)F2
Ferro-ferri-nybøiteNaNa2[(Fe32+,Mg)Fe23+](AlSi7O22)(OH)2
Ferro-fluoro-nybøiteNaNa2(Fe32+Al2)(AlSi7O22)F2
Ferro-nybøiteNaNa2(Fe32+Al2)(AlSi7)O22(OH)2
Fluoro-nybøiteNaNa2(Mg3Al2)(AlSi7O22)(F,OH)2
9.DE.05Anthophyllite◻Mg2Mg5Si8O22(OH)2
9.DE.05Cummingtonite◻Mg2Mg5Si8O22(OH)2
9.DE.05Clino-holmquistite Root Name☐{Li2}{Z32+Z23+}(Si8O22)(OH,F,Cl)2
9.DE.05Grunerite◻Fe22+Fe52+Si8O22(OH)2
9.DE.05Manganocummingtonite◻Mn2Mg5Si8O22(OH)2
9.DE.05Manganogrunerite◻Mn2Fe52+Si8O22(OH)2
9.DE.05Permanganogrunerite☐{Mn22+}{Mn52+}(Si8O22)(OH)2
9.DE.05Ferro-fluoro-pedrizite{Na}{Li2}{Fe2Al2Li}(Al2Si6O22)F2
9.DE.05Ferri-fluoro-leakeiteNaNa2(Mg2Fe23+Li)Si8O22F2
9.DE.10ActinoliteCa2(Mg4.5-2.5Fe2+0.5-2.5)Σ=5Si8O22(OH)2
9.DE.10Ferri-tschermakite☐{Ca2}{Mg3Fe23+}(Al2Si6O22)(OH)2
9.DE.10Ferro-actinolite◻Ca2Mg2.5-0Fe2+2.5-5Si8O22(OH)2
9.DE.10Ferro-hornblendeCa2Fe42+Al(Si7Al)O22(OH)2
9.DE.10Ferro-tschermakite☐{Ca2}{Fe32+Al2}(Al2Si6O22)(OH)2
9.DE.10JoesmithitePbCa2Mg3Fe23+(Si6Be2)O22(OH)2
9.DE.10Magnesio-hornblendeCa2(Mg4Al)(Si7Al)O22(OH)2
9.DE.10Tremolite◻Ca2Mg5Si8O22(OH)2
9.DE.10Tschermakite◻Ca2(Mg3Al2)(Si6Al2)O22(OH)2
9.DE.10CannilloiteCa(Ca2)(Mg4Al)(Al3Si5O22)(OH)2
9.DE.10Fluoro-cannilloiteCaCa2(Mg4Al)(Si5Al3)O22F2
9.DE.10Parvo-manganotremolite☐{CaMn2+}{Mg5}(Si8O22)(OH)2
9.DE.10Fluoro-tremolite◻Ca2Mg5Si8O22F2
9.DE.10Potassic-fluoro-pargasiteKCa2(Mg4Al)Si6Al2O22F2
9.DE.15EdeniteNaCa2Mg5(Si7Al)O22(OH)2
9.DE.15Ferro-edeniteNaCa2Fe52+(Si7Al)O22(OH)2
9.DE.15Ferro-kaersutite{Na}{Ca2}{Fe32+AlTi}(Al2Si6O22)O2
9.DE.15Ferro-pargasiteNaCa2(Fe42+Al)(Si6Al2)O22(OH)2
9.DE.15HastingsiteNaCa2(Fe42+Fe3+)(Si6Al2)O22(OH)2
9.DE.15KaersutiteNaCa2(Mg3Ti4+Al)(Si6Al2)O22O2
9.DE.15Magnesio-hastingsiteNaCa2(Mg4Fe3+)Si6Al2O22(OH)2
9.DE.15PargasiteNaCa2(Mg4Al)(Si6Al2)O22(OH)2
9.DE.15SadanagaiteNaCa2(Mg3Al2)(Si5Al3)O22(OH)2
9.DE.15Fluoro-edeniteNaCa2Mg5(Si7Al)O22F2
9.DE.15Potassic-ferro-ferri-sadanagaiteKCa2(Fe32+Fe23+)(Si5Al3)O22(OH)2
9.DE.15Potassic-sadanagaiteKCa2Mg3Al2(Si5Al3)O22(OH)2
9.DE.15Potassic-pargasiteKCa2(Mg4Al)(Si6Al2)O22(OH)2
9.DE.15Potassic-ferro-sadanagaiteKCa2(Fe32+Al2)(Si5Al3)O22(OH)2
9.DE.15Magnesio-fluoro-hastingsiteNaCa2(Mg4Fe3+)(Si6Al2)O22F2
9.DE.15Potassic-fluoro-hastingsiteKCa2(Fe42+Fe3+)(Si6Al2)O22F2
9.DE.15Potassic-chloro-hastingsiteKCa2[Fe42+Fe3+](Si6Al2)O22Cl2
9.DE.15Fluoro-pargasiteNaCa2(Mg4Al)(Si6Al2)O22F2
9.DE.15Parvo-mangano-edenite{Na}{CaMn2+}{Mg5}(AlSi7O22)(OH)2
9.DE.15Potassic-chloro-pargasiteKCa2(Mg4Al)(Si6Al2)O22Cl2
9.DE.15Potassic-ferro-chloro-edenite{K}{Ca2}{Fe52+}(AlSi7O22)(Cl,OH)2
9.DE.15Potassic-magnesio-hastingsiteKCa2(Mg4Fe3+)(Si6Al2)O22(OH)2
9.DE.15Potassic-ferro-pargasiteKCa2(Fe42+Al)Si6Al2O22(OH)2
9.DE.15Chromio-pargasiteNaCa2(Mg4Cr)(Si6Al2)O22(OH)2
9.DE.20Ferro-taramiteNa(NaCa)Fe32+Al2(Si6Al2)O22(OH)2
9.DE.20Barroisite◻NaCa[Mg3Al2](Si7Al)O22(OH)2
9.DE.20Ferro-ferri-barroisite☐(CaNa)(Fe32+Fe23+)(AlSi7O22)(OH)2
9.DE.20Ferro-ferri-winchite☐[CaNa][Fe42+(Fe3+,Al)]Si8O22(OH)2
9.DE.20Ferri-barroisite☐(CaNa)(Mg3Fe23+)(AlSi7O22)(OH)2
9.DE.20Ferro-ferri-taramiteNa(CaNa)(Fe32+Fe23+)(Al2Si6O22)(OH)2
9.DE.20Ferro-ferri-katophoriteNa(NaCa)(Fe42+Fe3+)(Si7Al)O22(OH)2
9.DE.20Ferro-barroisite☐{CaNa}{Fe32+Al2}(AlSi7O22)(OH)2
9.DE.20Ferro-richteriteNa2CaFe52+Si8O22(OH)2
9.DE.20Ferro-winchite ☐{CaNa}{Fe42+Al}(Si8O22)(OH)2
9.DE.20Ferro-katophoriteNa2CaFe42+Al(Si7Al)O22(OH)2
9.DE.20Ferri-taramiteNa(CaNa)(Mg3Fe23+)(Al2Si6O22)(OH)2
9.DE.20Magnesiotaramite{Na}{CaNa}{Mg3AlFe3+}(Al2Si6O22)(OH)2
9.DE.20RichteriteNa2CaMg5Si8O22(OH)2
9.DE.20WinchiteNaCa(Mg4Al)Si8O22(OH)2
9.DE.20TaramiteNa2CaMg3Al2(Si6Al2)O22(OH)2
9.DE.20Fluoro-richteriteNa(NaCa)Mg5Si8O22F2
9.DE.20KatophoriteNaNaCa(Mg4Al)(Si7Al)O22(OH)2
9.DE.20Potassic-fluoro-richteriteK(NaCa)Mg5Si8O22F2
9.DE.20Potassic-richteriteK[CaNa][Mg5]Si8O22(OH)2
9.DE.20Ferri-ghoseite◻(NaMn2+)(Mg4Fe3+)Si8O22(OH)2
9.DE.20Ferri-winchite◻NaCa(Mg4Fe3+)Si8O22(OH)2
9.DE.20Fluoro-taramiteNa(NaCa)(Mg3Al2)(Si6Al2)O22F2
9.DE.25ArfvedsoniteNaNa2(Fe42+Fe3+)Si8O22(OH)2
9.DE.25EckermanniteNaNa2(Mg4Al)Si8O22(OH)2
9.DE.25Ferro-eckermanniteNaNa2(Fe42+Al)Si8O22(OH)2
9.DE.25Ferro-glaucophane◻Na2(Fe32+Al2)Si8O22(OH)2
9.DE.25Glaucophane◻Na2(Mg3Al2)Si8O22(OH)2
9.DE.25Potassic-mangani-leakeiteKNa2(Mg2Mn23+Li)Si8O22(OH)2
9.DE.25Mangano-ferri-eckermanniteNaNa2(Mn42+Fe3+)Si8O22(OH)2
9.DE.25Ferri-leakeiteNa(NaLi)(Mg2Fe23+Li)Si8O22(OH)2
9.DE.25Magnesio-riebeckite◻Na2(Mg3Fe23+)Si8O22(OH)2
9.DE.25Magnesio-arfvedsoniteNaNa2(Mg4Fe3+)Si8O22(OH)2
9.DE.25Riebeckite◻Na2(Fe32+Fe23+)Si8O22(OH)2
9.DE.25Mangano-mangani-ungarettiiteNaNa2(Mn22+Mn33+)Si8O22O2
9.DE.25Ferro-ferri-nybøiteNaNa2(Fe32+Fe23+)(Si7Al)O22(OH)2
9.DE.25Clino-ferro-ferri-holmquistite◻Li2(Fe32+Fe23+)Si8O22(OH)2
9.DE.25Ferri-nybøiteNaNa2(Mg3Fe23+](AlSi7O22)(OH)2
9.DE.25Ferro-ferri-leakeite[Na][Na2][Fe22+Fe23+Li]Si8O22(OH)2
9.DE.25Ferro-ferri-fluoro-leakeiteNaNa2(Fe22+Fe23+Li)Si8O22F2
9.DE.25Sodic-ferri-clinoferroholmquistiteNa0.5{Li2}{Fe32+Fe23+}(Si8O22)(OH)2
9.DE.25Magnesio-fluoro-arfvedsoniteNaNa2(Mg4Fe3+)Si8O22F2
9.DE.25Ferri-pedrizite[Na][Li2][Mg2Fe23+Li]Si8O22(OH)2
9.DE.25Potassic-ferri-leakeiteKNa2Mg2Fe23+LiSi8O22(OH)2
9.DE.25Fluoro-nybøiteNaNa2(Mg3Al2)(Si7Al)O22F2
9.DE.25Mangani-dellaventuraiteNaNa2(MgMn23+LiTi4+)Si8O22O2
9.DE.25Fluoro-pedriziteNaLi2(Mg2Al2Li)(Si8O22)F2
9.DE.25Potassic-arfvedsoniteKNa2Fe42+Fe3+Si8O22(OH)2
9.DE.25Mangani-obertiiteNaNa2(Mg3Mn3+Ti4+)Si8O22O2
9.DE.25Potassic-magnesio-fluoro-arfvedsoniteKNa2(Mg4Fe3+)Si8O22F2
9.DE.25Ferro-ferri-pedriziteNaLi2(LiFe22+Fe23+)Si8O22(OH)2
9.DE.25Potassic-magnesio-arfvedsoniteKNa2Mg4Fe3+Si8O22(OH)2
9.DE.25PedriziteNaLi2(LiMg2Al2)(Si8O22)(OH)2
9.DE.25Ferro-pedriziteNaLi2(Fe22+Al2Li)Si8O22(OH)2
9.DE.25Fluoro-leakeiteNaNa2(Mg2Al2Li)Si8O22F2
9.DE.25Ferro-ferri-obertiiteNaNa2(Fe32+Fe3+Ti)Si8O22O2
16.8.1PreiswerkiteNaAlMg2(Si2Al2)O10(OH)2
16.8.4Ferrierite
16.8.5YagiiteNaMg2(AlMg2Si12)O30
16.8.6PhlogopiteKMg3(Si3Al)O10(OH)2

Other Names for Nybøite

Name in Other Languages:
German:Nyböit
Japanese:宮代閃石
Russian:Нибеит
Spanish:Nyböita

Other Information

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Nybøite

Reference List:
Mandarino, J.A. (1998) The Second List of Additions and Corrections to the Glossary of Mineral Species (1995). The Amphibole Group. Mineralogical Record: 29: 169-174.

Pawley, A.R. (1992) Experimental study of the composition and stabilities of synthetic nyboite and nyboite-glaucophane amphiboles. European Journal of Mineralogy: 4: 171.

Oberti, R., Boiocchi, M., Smith, D.C. (2003) Fluoronyböite from Jianchang (Su-Lu, China) and nyböite from Nybö (Nordfjord, Norway): a petrological and crystal-chemical comparison of these two high-pressure amphiboles. Mineralogical Magazine: 67: 769-782.

Hawthorne, F.C., Oberti, R. (2006) On the classification of amphiboles. The Canadian Mineralogist: 44: 1-21.

Nikandrov S. N., Nikandrov A. S., Nikandrova N. K. (2011) Amphibole of the nyböite series. Zapiski RMO (Proceedings of the Russian Mineralogical Society: 140: 106-117. [in Russian]

Hawthorne, F.C., Oberti, R., Harlow, G.E., Maresch, W.V., Martin, R.F., Schumacher, J.C., Welch, M.D. (2012) Nomenclature of the amphibole supergroup. American Mineralogist: 97: 2031-2048.

Internet Links for Nybøite

mindat.org URL:
https://www.mindat.org/min-2944.html
Please feel free to link to this page.

Localities for Nybøite

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
China
 
  • Jiangsu Province
    • Lianyungang Prefecture
      • Donghai Co.
Hirajima, T., Zhang, R., Li, J., and Cong, B. (1992): Mineralogical Magazine 56(1), 37-46.
Greece
 
  • Aegean Islands Department (Aiyaíon)
    • Kykládes Prefecture
      • Cyclade Islands (Cyclades; Kikladhes; Nomos Kikladhon)
        • Syros Island (Syra)
          • Gria Spilia
Tony Nikischer
Greenland
 
  • Kujalleq
    • Narsaq
Krumrei, T. V., Villa, I. M., Marks, M. A. W., & Markl, G. (2006). A 40Ar / 39Ar and U / Pb isotopic study of the Ilímaussaq complex, South Greenland: Implications for the 40K decay constant and for the duration of magmatic activity in a peralkaline complex. Chemical Geology, 227(3–4), 258–273.
Italy
 
  • Piedmont
    • Cuneo Province
      • Po Valley
        • Martiniana Po
www.minsocam.org/msa/Handbook/Nyboite.PDF
Myanmar
 
  • Kachin State
    • Mohnyin District (Moe Hnyin District)
      • Hpakant Township (Hpakan; Phakant; Phakan)
Shi, G. H., Zhu, X. K., Deng, J., Mao, Q., Liu, Y. X., & Li, G. W. (2011). Geochimica et Cosmochimica Acta, 75(6), 1608-1620; Shi, G., Harlow, G.E., Wang, J. Wang, J., Ng, E., Wang, X., Cao, G. & Cui, W. (2012): Mineralogy of jadeitite and related rocks from Myanmar:a review with new data. Eur. J. Mineral. 24, 345–370
Shi, G., Harlow, G. E., Wang, J., Wang, J., Ng, E., Wang, X., ... & Cui, W. (2012). Mineralogy of jadeitite and related rocks from Myanmar: a review with new data. European Journal of Mineralogy, 24(2), 345-370.
Norway
 
  • Sogn og Fjordane
    • Selje
      • Liset
Smith, D.C., Kechid, S-A. and Rossi, G. (1986): Occurrence and properties of lisetite, CaNa2Al4Si4O16, a new tectosilicate in the system Ca-Na-Al-Si-O. American Mineralogist. 71: 1372-1377
    • Vågsøy
      • Sørpollen
Mineralogical Magazine, April 1997, Vol. 61, pp. 295-321; Ungaretti, L., Smith, D.C. (1981): Crystal-chemistry by x-ray structure refinement and electron microprobe analysis of a series of sodic-calcic to alkali-amphiboles from the Nybö eclogite pod, Norway. Bulletin Société Française de Minéralogie et de Cristallographie. 104: 400–412
Mineral and/or Locality  
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