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Nybøite

A valid IMA mineral species
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00214380017136640428778.jpg
Nybøite, etc.

Case Parigi, Martiniana Po, Cuneo Province, Piedmont, Italy
00214380017136640428778.jpg
Nybøite, etc.

Case Parigi, Martiniana Po, Cuneo Province, Piedmont, Italy
08603210017081837764642.jpg
Nybøite, etc.

Case Parigi, Martiniana Po, Cuneo Province, Piedmont, Italy
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About NybøiteHide

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
Colour:
Grey-green; Blue-grey
Lustre:
Vitreous
Hardness:
5 - 6
Specific Gravity:
3.12
Crystal System:
Monoclinic
Name:
For the type locality
See also miyashiroite, an obsolete name for this species.


Unique IdentifiersHide

Mindat ID:
2944
Long-form identifier:
mindat:1:1:2944:1
GUID
(UUID V4):
f34bbc40-6ab6-48af-babe-4332d989f3f6

IMA Classification of NybøiteHide

IMA status:
Approved
IMA Formula:
NaNa2(Mg3Al2)(Si7Al)O22(OH)2
Approval year:
1980
First published:
1981
Approval history:
The root-name nybøite was proposed by D.C. Smith and L. Ungaretti for a new amphibole with the ideal composition NaNa2Mg3Al2(AlSi7)O22(OH)2 and was approved by the IMA in September, 1980. This first publication however did not provide the full mineral data desired by the IMA. A comprehensive description was later published and discussed in Oberti et al. 2003.
Type description reference:
Ungaretti, Luciano, Smith, David C., Rossi, Giuseppe (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 de Minéralogie, 104 (4) 400-412 doi:10.3406/bulmi.1981.7486

Classification of NybøiteHide

Strunz-mindat (2024):
9.DE.25

9 : SILICATES (Germanates)
D : Inosilicates
E : Inosilicates with 2-periodic double chains, Si4O11; Clinoamphiboles
Dana 8th ed.:
66.1.3c.11

66 : INOSILICATES Double-Width,Unbranched Chains,(W=2)
1 : Amphiboles - Mg-Fe-Mn-Li subgroup
Hey's CIM Ref.:
16.8.3

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

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.

SymbolSourceReference
NybIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43
NybSiivolam & Schmid (2007)Siivolam, J. and Schmid, R. (2007) Recommendations by the IUGS Subcommission on the Systematics of Metamorphic Rocks: List of mineral abbreviations. Web-version 01.02.07. IUGS Commission on the Systematics in Petrology. download
NybWhitney & Evans (2010)Whitney, D.L. and Evans, B.W. (2010) Abbreviations for names of rock-forming minerals. American Mineralogist, 95, 185–187 doi:10.2138/am.2010.3371

Physical Properties of NybøiteHide

Lustre:
Vitreous
Colour:
Grey-green; Blue-grey
Hardness:
5 - 6 on Mohs scale
Density:
3.12 g/cm3 (Measured)    3.13 g/cm3 (Calculated)

Optical Data of NybøiteHide

Type:
Biaxial (-)
RI values:
nα = 1.650 nγ = 1.670
2V:
Measured: Medium°
Max Birefringence:
δ = 0.020
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Pleochroism:
Visible
Comments:
Pale pink-violet; α colourless,β pale brownish-pink,and γ pale bluish-green.
Comments:
The β colour tends towards that characteristic of glaucophane and is quite distinctive.

Chemistry of NybøiteHide

Mindat 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:
Al, H, Mg, Na, O, Si - search for minerals with similar chemistry

Chemical AnalysisHide

Oxide wt%:
 123
SiO253.84 %50.89 %52.59 %
TiO20.16 %0.08 %0.22 %
Al2O312.92 %12.09 %9.60 %
MgO14.21 %12.42 %12.72 %
FeO5.03 %9.76 %5.18 %
MnO0.02 %0.07 %0.19 %
NiO0.11 % % %
CaO2.33 %2.93 %2.43 %
Na2O9.26 %8.42 %8.11 %
K2O0.14 %0.27 %0.00 %
Cl0.01 % % %
Fe2O3 % %7.60 %
H2O % %2.15 %
Total:98.03 %96.93 %100.79 %
Empirical formulas:
Sample IDEmpirical Formula
1(Na¨¨0.72K¨0.02)(Na1.67Ca0.33)(Mg1.82Fe2+0.18)(Mg0.32Fe3+0.24Ti0.02Al1.43)(Mg0.8Fe2+0.2) (Si7.24Al0.76)022(OH)2
Sample references:
IDTypeLocalityReferenceNotes
1Type SpecimenNybø eclogite pod, Sørpollen, Vågsøy, Kinn, Vestland, Norway
Ungaretti, Luciano, Smith, David C., Rossi, Giuseppe (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 de Minéralogie, 104 (4) 400-412 doi:10.3406/bulmi.1981.7486
2Jianchang, Donghai Co., Lianyungang, Jiangsu, China
Hirajima, T., Zhang, R., Li, J., & Cong, B. (1992). Petrology of the nyböite-bearing eclogite in the Donghai area, Jiangsu province, eastern China. Mineralogical Magazine, 56(382), 37-46.
Sample from porphyroblastic eclogite.
3Tianpu, Xin Co., Xinyang, Henan, China
Rolfo, F., Compagnoni, R., Wu, W., & Xu, S. (2004). A coherent lithostratigraphic unit in the coesite–eclogite complex of Dabie Shan, China: geologic and petrologic evidence. Lithos, 73(1-2), 71-94.
Sample from the rim of amphibole grains in a jadeite-bearing granofels .The core of these grains are glaucophane.

Crystallography of NybøiteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/m
Setting:
C2/m
Cell Parameters:
a = 9.665(1) Å, b = 17.752(2) Å, c = 5.303(1) Å
β = 104.11(1)°
Ratio:
a:b:c = 0.544 : 1 : 0.299
Unit Cell V:
882.4 ų
Comment:
From Oberti et al. (2003)

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Stage 3b: Earth’s earliest hydrosphere>4.45
17 : Marine authigenic Hadean minerals (see also #24)
Stage 4b: Highly evolved igneous rocks>3.0
35 : Ultra-alkali and agpaitic igneous rocks
36 : Carbonatites, kimberlites, and related igneous rocks

Type Occurrence of NybøiteHide

Type Locality:
ⓘ Nybø eclogite pod, Sørpollen, Vågsøy, Kinn, Vestland, Norway
General Appearance of Type Material:
A thin section with an amphibole taken from sympletic-free areas in a single 16 cm thick compositionally-layered sample
Place of Conservation of Type Material:
Mineralogical Gallery of the Museum National d’Histoire Naturelle, Paris (no. 181.55).
Empirical Formula of Type Material:
(Na¨¨0.72K¨0.02)(Na1.67Ca0.33)(Mg1.82Fe2+0.18)(Mg0.32Fe3+0.24Ti0.02Al1.43)(Mg0.8Fe2+0.2) (Si7.24Al0.76)022(OH)2
Geological Setting of Type Material:
The nybø eclogite pod
Associated Minerals at Type Locality:
Clinopyroxene Subgroup
Reference:
Ungaretti L, Smith D C, Rossi G (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 de Minéralogie 104, 400-412
Download:
https://rruff.info/rruff_1.0/uploads/BM104_400.pdf

Synonyms of NybøiteHide

Other Language Names for NybøiteHide

German:Nyböit
Japanese:宮代閃石
Russian:Нибеит
Spanish:Nyböita

Relationship of Nybøite to other SpeciesHide

Member of:
Nybøite Root Name Group > Sodium Amphibole Subgroup > w(OH, F, Cl)-dominant Amphibole Group > Amphibole Supergroup
Other Members of this group:
Ferri-fluoro-nybøiteNaNa2(Mg3Fe3+2)(AlSi7O22)F2
Ferri-nybøiteNaNa2(Mg3Fe3+2](AlSi7O22)(OH)2Mon.
Ferro-ferri-nybøiteNaNa2[(Fe2+3,Mg)Fe3+2](AlSi7O22)(OH)2Mon. 2/m : B2/m
Ferro-nybøiteNaNa2(Fe2+3Al2)(AlSi7)O22(OH)2Mon.
Fluoro-nybøiteNaNa2(Mg3Al2)(AlSi7O22)(F,OH)2Mon. 2/m : B2/m

Common AssociatesHide

Associated Minerals Based on Photo Data:
3 photos of Nybøite associated with JadeiteNa(Al,Fe3+)Si2O6

Related Minerals - Strunz-mindat GroupingHide

9.DE.Clino-suenoite◻{Mn2+2}{Mg5}(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.Scandio-winchite◻(NaCa)(Mg4Sc)(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.Mangani-eckermanniteNaNa2(Mg4Mn3+)Si8O22(OH)2Mon. 2/m : B2/m
9.DE.05Cummingtonite◻{Mg2}{Mg5}(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.05Clino-holmquistite Root Name Group◻{Li2}{Z2+3Z3+2}(Si8O22)(OH,F,Cl)2Mon.
9.DE.05Grunerite◻{Fe2+2}{Fe2+5}(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.05Permanganogrunerite◻{Mn2+2}{Mn2+5}(Si8O22)(OH)2Mon.
9.DE.05Ferri-fluoro-leakeite{Na}{Na2}{Mg2Fe3+2Li}(Si8O22)F2Mon. 2/m : B2/m
9.DE.10Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2Mon. 2/m : B2/m
9.DE.10Ferro-ferri-tschermakite◻{Ca2}{Fe2+3Fe3+2}(Al2Si6O22)(OH)2Mon.
9.DE.10Ferri-tschermakite◻{Ca2}{Mg3Fe3+2}(Al2Si6O22)(OH)2Mon.
9.DE.10Ferro-actinolite◻Ca2Fe2+5(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.10Ferro-hornblende◻Ca2(Fe2+4Al)(Si7Al)O22(OH)2Mon. 2/m : B2/m
9.DE.10Ferro-tschermakite◻{Ca2}{Fe2+3Al2}(Al2Si6O22)(OH)2Mon. 2/m : B2/m
9.DE.10JoesmithitePb2+Ca2(Mg3Fe3+2)(Si6Be2)O22(OH)2Mon. 2/m : P2/b
9.DE.10Magnesio-hornblende◻Ca2(Mg4Al)(Si7Al)O22(OH)2Mon. 2/m : B2/m
9.DE.10Tremolite◻Ca2Mg5(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.10Tschermakite◻(Ca2)(Mg3Al2)(Al2Si6O22)(OH)2Mon. 2/m : B2/m
9.DE.10CannilloiteCaCa2(Mg4Al)(Si5Al3O22)OH2Mon.
9.DE.10Fluoro-cannilloiteCaCa2(Mg4Al)(Si5Al3)O22F2Mon. 2/m : B2/m
9.DE.10Parvo-manganotremolite◻{CaMn2+}{Mg5}(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.10Fluoro-tremolite◻Ca2Mg5(Si8O22)F2Mon. 2/m : B2/m
9.DE.10Magnesio-fluoro-hornblende◻Ca2Mg5(AlSi7O22)F2
9.DE.10Ferro-fluoro-hornblende◻Ca2(Fe2+4Al)(AlSi7O22)F2
9.DE.10Ferro-ferri-hornblende◻Ca2(Fe2+4Fe3+)(AlSi7O22)(OH)2Mon. 2/m : B2/m
9.DE.10Magnesio-ferri-hornblende◻Ca2(Mg4Fe3+)[(Si7Al)O22](OH)2Mon. 2/m : B2/m
9.DE.10Ferro-cannilloiteCaCa2(Fe2+4Al)(Si5Al3O22)OH2
9.DE.10Ferro-ferri-cannilloiteCaCa2(Fe2+4Fe3+)(Si5Al3O22)OH2
9.DE.10Ferro-fluoro-actinolite◻{Ca2}{Fe5}(Si8O22)F2
9.DE.10Magnesio-ferri-fluoro-hornblende◻Ca2(Mg4Fe3+)(AlSi7O22)F2Mon. 2/m : B2/m
9.DE.10Ferro-ferri-fluoro-hornblende◻Ca2(Fe2+4Fe3+)(AlSi7O22)F2
9.DE.10Ferri-fluoro-tschermakite◻{Ca2}{Mg3Fe3+2}(Al2Si6O22)F2
9.DE.10Ferro-ferri-fluoro-tschermakite◻{Ca2}{Fe2+3Fe3+2}(Al2Si6O22)F2
9.DE.10Ferro-fluoro-tschermakite◻{Ca2}{Fe2+3Al2}(Al2Si6O22)F2
9.DE.10Fluoro-tschermakite◻{Ca2}{Mg3Al2}(Al2Si6O22)F2
9.DE.10Clino-ferro-suenoite◻{Mn2+2}{Fe2+5}(Si8O22)(OH)2
9.DE.15EdeniteNaCa2Mg5(Si7Al)O22(OH)2Mon. 2/m : B2/m
9.DE.15Ferro-edeniteNaCa2Fe2+5(Si7Al)O22(OH)2Mon. 2/m : B2/m
9.DE.15Ferro-kaersutiteNaCa2{Fe2+3AlTi}(Si6Al2O22)O2Mon.
9.DE.15Ferro-pargasiteNaCa2(Fe2+4Al)(Si6Al2)O22(OH)2Mon. 2/m : B2/m
9.DE.15HastingsiteNaCa2(Fe2+4Fe3+)(Si6Al2)O22(OH)2Mon. 2/m : B2/m
9.DE.15KaersutiteNaCa2(Mg3AlTi4+)(Si6Al2)O22O2Mon. 2/m : B2/m
9.DE.15Magnesio-hastingsiteNaCa2(Mg4Fe3+)(Si6Al2)O22(OH)2Mon. 2/m : B2/m
9.DE.15PargasiteNaCa2(Mg4Al)(Si6Al2)O22(OH)2Mon. 2/m : B2/m
9.DE.15Sadanagaite{Na}{Ca2}{Mg3Al2}(Si5Al3O22)(OH)2Mon.
9.DE.15Fluoro-edeniteNaCa2Mg5(Si7Al)O22F2Mon. 2/m : P2/m
9.DE.15Potassic-ferro-ferri-sadanagaite{K}{Ca2}{Fe2+3Fe3+2}(Al3Si5O22)(OH)2Mon. 2/m : B2/m
9.DE.15Ferro-ferri-sadanagaite{Na}{Ca2}{Fe2+3Fe3+2}(Al3Si5O22)(OH)2Mon.
9.DE.15Potassic-sadanagaite{K}{Ca2}{Mg3Al2}(Al3Si5O22)(OH)2Mon. 2
9.DE.15Potassic-pargasiteKCa2(Mg4Al)(Si6Al2)O22(OH)2Mon. 2/m : B2/m
9.DE.15Potassic-ferro-sadanagaite{K}{Ca2}{Fe2+3Al2}(Al3Si5O22)(OH)2Mon.
9.DE.15Magnesio-fluoro-hastingsiteNaCa2(Mg4Fe3+)(Si6Al2)O22F2Mon. 2/m : B2/m
9.DE.15Ferro-chloro-pargasiteNaCa2(Fe2+4Al)(Al2Si6O22)Cl2
9.DE.15Potassic-fluoro-hastingsiteKCa2(Fe2+4Fe3+)(Si6Al2)O22F2Mon. 2/m : B2/m
9.DE.15Potassic-chloro-hastingsiteKCa2(Fe2+4Fe3+)(Si6Al2)O22Cl2Mon. 2/m : B2/m
9.DE.15Fluoro-pargasiteNaCa2(Mg4Al)(Si6Al2)O22F2Mon. 2/m : B2/m
9.DE.15Parvo-mangano-edenite{Na}{CaMn2+}{Mg5}(AlSi7O22)(OH)2Mon. 2/m : B2/m
9.DE.15Fluoro-hastingsiteNaCa2(Fe2+4Fe3+)(Al2Si6O22)F2
9.DE.15Potassic-chloro-pargasiteKCa2(Mg4Al)(Si6Al2)O22Cl2Mon. 2/m : B2/m
9.DE.15Ferro-fluoro-pargasite(Na)(Ca2)(Fe2+4Al)(Al2Si6O22)F2
9.DE.15Potassic-ferro-chloro-edeniteKCa2Fe2+5(AlSi7O22)Cl2
9.DE.15Potassic-magnesio-hastingsiteKCa2(Mg4Fe3+)(Si6Al2)O22(OH)2Mon. 2/m : B2/m
9.DE.15Potassic-ferro-pargasiteKCa2(Fe2+4Al)(Si6Al2)O22(OH)2Mon. 2/m : B2/m
9.DE.15Potassic-hastingsiteKCa2(Fe2+4Fe3+)(Al2Si6O22)(OH)2Mon. 2/m : B2/m
9.DE.15Chromio-pargasiteNaCa2(Mg4Cr)(Si6Al2)O22(OH)2Mon. 2/m : B2/m
9.DE.15Potassic-fluoro-pargasiteKCa2(Mg4Al)(Si6Al2)O22F2Mon. 2/m : B2/m
9.DE.15Ferri-kaersutiteNaCa2(Mg3Fe3+Ti)(Si6Al2O22)O2 Mon. 2/m : B2/m
9.DE.15Ferro-fluoro-edeniteNaCa2Fe2+5(AlSi7O22)F2Mon. 2/m : B2/m
9.DE.15Ferri-sadanagaite{Na}{Ca2}{Mg3Fe3+2}(Al3Si5O22)(OH)2
9.DE.15Ferro-sadanagaite{Na}{Ca2}{Fe3Al2}(Al3Si5O22)(OH)2
9.DE.15Ferri-fluoro-sadanagaite{Na}{Ca2}{Mg3Fe3+2}(Al3Si5O22)F2
9.DE.15Ferro-ferri-fluoro-sadanagaite{Na}{Ca2}{Fe2+3Fe3+2}(Al3Si5O22)F2
9.DE.15Ferro-fluoro-sadanagaite{Na}{Ca2}{Fe2+3Al2}(Al3Si5O22)F2
9.DE.15Fluoro-sadanagaite{Na}{Ca2}{Mg3Al2}(Al3Si5O22)F2
9.DE.15Potassic-chloro-sadanagaite{K}{Ca2}{Mg3Al2}(Al3Si5O22)Cl2
9.DE.15Potassic-ferro-chloro-sadanagaite{K}{Ca2}{Fe2+3Al2}(Al3Si5O22)Cl2
9.DE.15Oxo-magnesio-hastingsiteNaCa2(Mg3(Fe3+2-x,Tix))5(Si6Al2O22)O2Mon. 2/m : B2/m
9.DE.15Unnamed (F-dominant analogue of Ferri-kaersutite)(Na,K)Ca2[Mg3(Fe3+,Fe2+)Ti](Si6Al2O22)(F,O)2Mon. 2/m : B2/m
9.DE.15Vanadio-pargasiteNaCa2(Mg3+4V)(Al2Si6)O22(OH)2Mon. 2/m : B2/m
9.DE.15Mangani-pargasiteNaCa2(Mg4Mn3+)(Si6Al2)O22(OH)2Mon. 2/m : B2/m
9.DE.20Potassic-ferro-ferri-katophorite{K}{CaNa}{Fe2+4Fe3+}[(AlSi7)O22](OH)2
9.DE.20Ferro-taramiteNa(CaNa)(Fe2+3Al2)(Al2Si6O22)(OH)2Mon. 2/m : B2/m
9.DE.20Barroisite◻{CaNa}{Mg3Al2}(AlSi7O22)(OH)2Mon. 2/m : B2/m
9.DE.20Ferro-ferri-barroisite◻(CaNa)(Fe2+3Fe3+2)(AlSi7O22)(OH)2
9.DE.20Ferro-ferri-winchite◻[CaNa][Fe2+4(Fe3+,Al)]Si8O22(OH)2
9.DE.20Ferri-barroisite◻(CaNa)(Mg3Fe3+2)(AlSi7O22)(OH)2
9.DE.20Ferro-ferri-taramiteNa(CaNa)(Fe2+3Fe3+2)(Al2Si6O22)(OH)2
9.DE.20Ferro-ferri-katophoriteNa(NaCa)(Fe2+4Fe3+)(Si7Al)O22(OH)2Mon. 2/m : B2/m
9.DE.20Ferro-barroisite◻{CaNa}{Fe2+3Al2}(AlSi7O22)(OH)2Mon. 2/m : B2/m
9.DE.20Ferro-richterite{Na}{CaNa}{Fe2+5}(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.20Ferro-winchite ◻{CaNa}{Fe2+4Al}(Si8O22)(OH)2Mon.
9.DE.20Ferro-katophorite{Na}{CaNa}{Fe2+4Al}[(AlSi7)O22](OH)2Mon. 2/m : B2/m
9.DE.20Ferri-katophoriteNa(CaNa)(Mg4Fe3+)(AlSi7O22)(OH)2Mon. 2/m : B2/m
9.DE.20Ferri-taramiteNa(CaNa)(Mg3Fe3+2)(Al2Si6O22)(OH)2Mon. 2/m : B2/m
9.DE.20Magnesiotaramite{Na}{CaNa}{Mg3AlFe3+}(Al2Si6O22)(OH)2Mon.
9.DE.20RichteriteNa(NaCa)Mg5(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.20Winchite◻{CaNa}{Mg4Al}(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.20TaramiteNa(CaNa)(Mg3Al2)(Al2Si6O22)(OH)2Mon. 2/m : B2/m
9.DE.20Fluoro-richterite{Na}{CaNa}{Mg5}(Si8O22)(F,OH)2Mon. 2/m : B2/m
9.DE.20Katophorite{Na}{CaNa}{Mg4Al}[(AlSi7)O22](OH)2Mon. 2/m : B2/m
9.DE.20Potassic-fluoro-richterite{K}{CaNa}{Mg5}(Si8O22)(F,OH)2Mon. 2/m : B2/m
9.DE.20Potassic-richterite{K}{CaNa}{Mg5}Si8O22(OH)2Mon. 2/m : B2/m
9.DE.20Potassic-fluoro-katophoriteK(CaNa)(Mg4Al)(AlSi7O22)F2
9.DE.20Ferro-fluoro-katophoriteNa(CaNa)(Fe2+4Al)(AlSi7O22)F2
9.DE.20Ferro-ferri-fluoro-katophoriteNa(CaNa)(Fe2+4Fe3+)(AlSi7O22)F2Mon.
9.DE.20Ferri-ghoseite◻[Mn2+Na][Mg4Fe3+]Si8O22(OH)2Mon. 2/m : B2/m
9.DE.20Ferri-winchite◻(NaCa)(Mg4Fe3+)Si8O22(OH)2Mon. 2/m : B2/m
9.DE.20Fluoro-taramite{Na}{CaNa}{Mg3Al2}(Al2Si6O22)F2Mon. 2/m : B2/m
9.DE.20Ferro-fluoro-richterite{Na}{CaNa}{Fe2+5}(Si8O22)F2
9.DE.20Fluoro-katophoriteNa(CaNa)(Mg4Al)(AlSi7O22)F2Mon.
9.DE.20Potassic-ferri-katophoriteK(CaNa)(Mg4Fe3+)(AlSi7O22)(OH)2
9.DE.20Potassic-ferro-richterite{K}{CaNa}{Fe2+5}Si8O22(OH)2
9.DE.20Ferri-fluoro-katophoriteNa(CaNa)(Mg4Fe3+)(AlSi7O22)F2Mon. 2/m : B2/m
9.DE.20Potassic-ferro-taramiteK{CaNa}{Fe2+3Al2}{Si6Al2}O22(OH)2Mon. 2/m : B2/m
9.DE.20Fluoro-winchite◻{CaNa}{Mg4Al}(Si8O22)F2
9.DE.20Ferro-fluoro-winchite◻{CaNa}{Fe2+4Al}(Si8O22)F2
9.DE.20Ferri-fluoro-barroisite◻{CaNa}{Mg3Fe3+2}(AlSi7O22)F2
9.DE.20Ferro-fluoro-barroisite◻{CaNa}{Fe2+3Al2}(AlSi7O22)F2
9.DE.20Ferro-ferri-fluoro-barroisite◻{CaNa}{Fe2+3Fe3+2}(AlSi7O22)F2
9.DE.20Fluoro-barroisite◻{CaNa}{Mg3Al2}(AlSi7O22)F2
9.DE.20Ferri-fluoro-taramiteNa(CaNa)(Mg3Fe3+2)(Al2Si6O22)F2
9.DE.20Ferro-ferri-fluoro-taramiteNa(CaNa)(Fe2+3Fe3+2)(Al2Si6O22)F2
9.DE.20Ferro-fluoro-taramiteNa(CaNa)(Fe2+3Al2)(Al2Si6O22)F2
9.DE.20Potassic-ferri-taramiteK(CaNa)(Mg3Fe3+2)(Al2Si6O22)(OH)
9.DE.20Ghoseite◻[Mn2+Na][Mg4Al]Si8O22(OH)2
9.DE.20Potassic-ferro-ferri-taramiteK(CaNa)(Fe2+3Fe3+2)(Al2Si6O22)(OH)2Mon. 2/m : B2/m
9.DE.20Clinoferroholmquistite◻Li2[Fe2+3Al2]Si8O22(OH,F)2
9.DE.20Hjalmarite{Na}(NaMn}{Mg5}Si8O22(OH)2Mon. 2/m : B2/m
9.DE.25Arfvedsonite[Na][Na2][Fe2+4Fe3+]Si8O22(OH)2Mon. 2/m : B2/m
9.DE.25EckermanniteNaNa2(Mg4Al}Si8O22(OH)2Mon. 2/m : B2/m
9.DE.25Ferro-eckermanniteNaNa2(Fe2+4Al)Si8O22(OH)2Mon.
9.DE.25Ferro-glaucophane◻[Na2][Fe2+3Al2]Si8O22(OH)2Mon. 2/m : B2/m
9.DE.25Glaucophane◻[Na2][Mg3Al2]Si8O22(OH)2Mon. 2/m : B2/m
9.DE.25Potassic-mangani-leakeite[(Na,K)][Na2][Mg2Mn3+2Li]Si8O22(OH)2Mon. 2/m : B2/m
9.DE.25Mangano-ferri-eckermannite{Na}{Na2}{Mn2+4Fe3+}Si8O22(OH)2Mon. 2/m : B2/m
9.DE.25Ferri-leakeite[Na][Na2][Mg2Fe3+2Li]Si8O22(OH)2Mon. 2/m : B2/m
9.DE.25Magnesio-riebeckite◻{Na2}{Mg3Fe3+2}(Si8O22)(OH)2Mon.
9.DE.25Magnesio-arfvedsonite{Na}{Na2}{Mg4Fe3+}(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.25Riebeckite◻[Na2][Fe2+3Fe3+2]Si8O22(OH)2Mon. 2/m : B2/m
9.DE.25Mangano-mangani-ungarettiiteNaNa2(Mn2+2Mn3+3)(Si8O22)O2Mon. 2/m : B2/m
9.DE.25Ferro-ferri-nybøiteNaNa2[(Fe2+3,Mg)Fe3+2](AlSi7O22)(OH)2Mon. 2/m : B2/m
9.DE.25Clino-ferro-ferri-holmquistite◻{Li2}{Fe2+3Fe3+2}(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.25Ferri-nybøiteNaNa2(Mg3Fe3+2](AlSi7O22)(OH)2Mon.
9.DE.25Ferro-ferri-leakeite[Na][Na2][Fe2+2Fe3+2Li]Si8O22(OH)2Mon.
9.DE.25Ferro-ferri-fluoro-leakeiteNa(Na2)(Fe2+2Fe3+2Li)(Si8O22)(F)2Mon. 2/m : B2/m
9.DE.25Sodic-ferri-clinoferroholmquistiteNa0.5{Li2}{Fe2+3Fe3+2}(Si8O22)(OH)2Mon.
9.DE.25Magnesio-fluoro-arfvedsonite[Na][Na2][Mg4Fe3+][Si8O22](F,OH)2Mon. 2/m : B2/m
9.DE.25Ferri-pedrizite[Na][Li2][Mg2Fe3+2Li]Si8O22(OH)2Mon.
9.DE.25Potassic-ferri-leakeite[K][Na2][Mg2Fe3+2Li]Si8O22(OH)2Mon. 2/m : B2/m
9.DE.25Fluoro-nybøiteNaNa2(Mg3Al2)(AlSi7O22)(F,OH)2Mon. 2/m : B2/m
9.DE.25Mangano-ferri-fluoro-leakeiteNaNa2(Mn2+2Fe3+2Li)[Si8O22]F2Mon.
9.DE.25Clino-fluoro-holmquistite◻{Li2}{Mg3Al2}(Si8O22)F2
9.DE.25Mangani-dellaventuraiteNaNa2(MgMn3+2Ti4+Li)Si8O22O2Mon. 2/m : B2/m
9.DE.25Fluoro-pedriziteNaLi2(Mg2Al2Li)(Si8O22)F2Mon. 2/m : B2/m
9.DE.25Potassic-arfvedsonite[(K,Na)][Na2][Fe2+4Fe3+]Si8O22(OH)2Mon. 2/m : B2/m
9.DE.25Mangani-obertiiteNaNa2(Mg3Mn3+Ti4+)Si8O22O2Mon. 2/m : B2/m
9.DE.25Ferro-nybøiteNaNa2(Fe2+3Al2)(AlSi7)O22(OH)2Mon.
9.DE.25Clino-sodic-fluoro-holmquistite{Na}{Li2}{Mg4Al}(Si8O22)F2
9.DE.25Potassic-magnesio-fluoro-arfvedsonite[(K,Na)][Na2][Mg4Fe3+][Si8O22][(F,OH)2]Mon. 2/m : B2/m
9.DE.25Ferro-ferri-pedrizite[Na][Li2][Fe2+2Fe3+2Li]Si8O22(OH)2Mon. 2/m : B2/m
9.DE.25Potassic-magnesio-arfvedsonite[K][Na2][Mg4Fe3+]Si8O22(OH)2Mon. 2/m : B2/m
9.DE.25Ferro-fluoro-glaucophane◻[Na2][Fe2+3Al2]Si8O22F2
9.DE.25PedriziteNaLi2(LiMg2Al2)(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.25Ferro-pedriziteNaLi2(Fe2+2Al2Li)Si8O22(OH)2Mon. 2/m : B2/m
9.DE.25Ferro-fluoro-pedriziteNa(Li2)(Fe2+2Al2Li)[Si8O22]F2Mon. 2/m : B2/m
9.DE.25Fluoro-leakeiteNaNa2(Mg2Al2Li)(Si8O22)F2Mon. 2/m : B2/m
9.DE.25Ferro-ferri-obertiiteNaNa2(Fe2+3Fe3+Ti)Si8O22O2Mon. 2/m : B2/m
9.DE.25Fluoro-glaucophane◻[Na2][Mg3Al2]Si8O22F2
9.DE.25Fluoro-riebeckite◻{Na2}{Fe2+3Fe3+2}(Si8O22)F2Mon. 2/m : B2/m
9.DE.25Magnesio-fluoro-riebeckite◻{Na2}{Mg3Fe3+2}(Si8O22)F2
9.DE.25Fluoro-eckermanniteNaNa2(Mg4Al}Si8O22F2
9.DE.25Ferro-fluoro-eckermanniteNaNa2(Fe2+4Al}Si8O22F2
9.DE.25Fluoro-arfvedsonite[Na][Na2][Fe2+4Fe3+]Si8O22F2
9.DE.25Ferri-fluoro-nybøiteNaNa2(Mg3Fe3+2)(AlSi7O22)F2
9.DE.25Ferro-ferri-fluoro-nybøiteNaNa2(Fe2+3Fe3+2)(AlSi7O22)F2
9.DE.25Ferro-fluoro-nybøiteNaNa2(Fe2+3Al2)(AlSi7O22)F2
9.DE.25Ferro-leakeiteNaNa2(Fe2+2Al2Li)(Si8O22)(OH)2
9.DE.25LeakeiteNaNa2(Mg2Al2Li)(Si8O22)(OH)2
9.DE.25Potassic-leakeiteKNa2(Mg2Al2Li)(Si8O22)(OH)2
9.DE.25Ferri-fluoro-pedriziteNaLi2(LiMg2Fe3+2)(Si8O22)F2
9.DE.25Ferro-ferri-fluoro-pedriziteNaLi2(LiFe2+2Fe3+2)(Si8O22)F2
9.DE.25Clino-ferro-ferri-fluoro-holmquistite◻{Li2}{Fe2+3Fe3+2}(Si8O22)F2
9.DE.25Clino-ferri-fluoro-holmquistite◻{Li2}{Mg3Fe3+2}(Si8O22)F2
9.DE.25Clino-ferro-fluoro-holmquistite◻{Li2}{Fe2+3Al2}(Si8O22)F2
9.DE.25Ferri-obertiiteNaNa2(Mg3Fe3+Ti)Si8O22O2 Mon. 2/m : B2/m
9.DE.25Oxo-mangani-leakeiteNaNa2(Mn3+4Li)Si8O22O2Mon. 2/m : B2/m
9.DE.25Oxo-pargasiteNaCa2(Mg3(Al2-x,Tix))5(Si6Al2O22)O2
9.DE.25Unnamed (Possible K-analogue of Ferri-obertiite)KNa2((Mg,Fe,Na)3Fe3+(Ti,Fe))Si8O22(O,F)2
9.DE.25Potassic-mangano-mangani-ungarettiiteKNa2(Mn2+2Mn3+3)Si8O22O2
9.DE.25Potassic-jeanlouisiteK(NaCa)(Mg4Ti)Si8O22O2Mon. 2/m : B2/m

Other InformationHide

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

Internet Links for NybøiteHide

References for NybøiteHide

Reference List:
Ungaretti, Luciano, Smith, David C., Rossi, Giuseppe (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 de Minéralogie, 104 (4) 400-412 doi:10.3406/bulmi.1981.7486
Pawley, A.R. (1992) Experimental study of the composition and stabilities of synthetic nyboite and nyboite-glaucophane amphiboles. European Journal of Mineralogy: 4: 171.
Mandarino, Joseph A. (1998) The Second List of Additions and Corrections to the Glossary of Mineral Species (1995) - The Amphibole Group. The Mineralogical Record, 29 (3) 169-174
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 (4) 769-782 doi:10.1180/0026461036740133
Hawthorne, F. C., Oberti, R. (2006) On the classification of amphiboles. The Canadian Mineralogist, 44 (1) 1-21 doi:10.2113/gscanmin.44.1.1
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 (11) 2031-2048 doi:10.2138/am.2012.4276
(2023) Nybøite. Handbook of Mineralogy. Mineralogical Society of America

Localities for NybøiteHide

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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
China
 
  • Henan
    • Xinyang
      • Xin Co.
Rolfo et al. (2004)
  • Jiangsu
    • Lianyungang
      • Donghai Co.
Hirajima et al. (1992)
Germany
 
  • Baden-Württemberg
    • Karlsruhe Region
      • Rhein-Neckar-Kreis
        • Eberbach
Lippolt et al. (1976) +4 other references
Greece
 
  • South Aegean
    • Syros
      • Syros Island
        • Gria Spilia
Greenland
 
  • Kujalleq
Krumrei et al. (2006)
Italy
 
  • Piedmont
    • Cuneo Province
      • Martiniana Po
 ...
Myanmar
 
  • Kachin State
    • Mohnyin District
      • Hpakant Township (Hpakan; Phakant; Phakan)
Shi et al. (2011) +1 other reference
Shi et al. (2012)
Norway (TL)
 
  • Vestland
    • Kinn
      • Vågsøy
        • Sørpollen
Mineralogical Magazine +1 other reference
    • Stad
      • Selje
        • Liset
Smith et al. (1986) +1 other reference
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