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Ferro-nybøite

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Formula:
NaNa
 
2
(Fe
2+
3
Al
 
2
)(AlSi
 
7
)O
 
22
(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

Ferro-nybøite is defined with

A position: Na dominant
C2+ position: Fe dominant
C3+ position: Al dominant
W position: (OH) dominant
System:MonoclinicColour:Blue-grey
Hardness:5 - 6
Member of:Nybøite Root Name Group > Sodium Amphibole Subgroup > w(OH, F, Cl)-dominant Amphibole Group > Amphibole Supergroup
Name:For its relationship to Nybøite




Classification of Ferro-nybøite

IMA status:Hypothetical Mineral
Strunz 8th edition ID:8/F.08-60

8 : Silicates
F : Inosilicates (chain and band) double chains [Si2O6]4-
08 : Amphibole group, Glaucophane - Riebeckite - Kozulite series
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Physical Properties of Ferro-nybøite

Lustre:Vitreous
Colour:Blue-grey
Hardness (Mohs):5 - 6
Cleavage:Perfect
on {110}

Crystallography of Ferro-nybøite

Crystal System:Monoclinic

Chemical Properties of Ferro-nybøite

Formula:
NaNa
 
2
(Fe
2+
3
Al
 
2
)(AlSi
 
7
)O
 
22
(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

Ferro-nybøite is defined with

A position: Na dominant
C2+ position: Fe dominant
C3+ position: Al dominant
W position: (OH) dominant
Simplified for copy/paste:NaNa2(Fe2+3Al2)(AlSi7)O22(OH)2
Essential elements:Al, Fe, H, Na, O, Si
All elements listed in formula:Al, Fe, H, Na, O, Si

Relationship of Ferro-nybøite to other Species

Member of:Nybøite Root Name Group > Sodium Amphibole Subgroup > w(OH, F, Cl)-dominant Amphibole Group > Amphibole Supergroup
Other Members of Group:

- +
Ferri-fluoro-nybøite
NaNa
 
2
(Mg
 
3
Fe
3+
2
)(AlSi
 
7
O
 
22
)F
 
2
Ferri-nybøite
NaNa
 
2
(Mg
 
3
Fe
3+
2
](AlSi
 
7
O
 
22
)(OH)
 
2
Ferro-ferri-fluoro-nybøite
NaNa
 
2
(Fe
2+
3
Fe
3+
2
)(AlSi
 
7
O
 
22
)F
 
2
Ferro-ferri-nybøite
NaNa
 
2
[(Fe
2+
3
,Mg)Fe
3+
2
](AlSi
 
7
O
 
22
)(OH)
 
2
Ferro-fluoro-nybøite
NaNa
 
2
(Fe
2+
3
Al
 
2
)(AlSi
 
7
O
 
22
)F
 
2
Fluoro-nybøite
NaNa
 
2
(Mg
 
3
Al
 
2
)(AlSi
 
7
O
 
22
)(F,OH)
 
2
Nybøite
NaNa
 
2
(Mg
 
3
Al
 
2
)(AlSi
 
7
O
 
22
)(OH)
 
2
Related Minerals - Strunz Grouping):

- +
8/F.08-10Glaucophane
◻[Na
 
2
][Mg
 
3
Al
 
2
]Si
 
8
O
 
22
(OH)
 
2
8/F.08-20Ferro-glaucophane
◻[Na
 
2
][Fe
2+
3
Al
 
2
]Si
 
8
O
 
22
(OH)
 
2
8/F.08-40Magnesio-riebeckite
◻{Na
 
2
}{Mg
 
3
Fe
3+
2
}(Si
 
8
O
 
22
)(OH)
 
2
8/F.08-50Riebeckite
◻[Na
 
2
][Fe
2+
3
Fe
3+
2
]Si
 
8
O
 
22
(OH)
 
2
8/F.08-55Nybøite
NaNa
 
2
(Mg
 
3
Al
 
2
)(AlSi
 
7
O
 
22
)(OH)
 
2
8/F.08-57Fluoro-nybøite
NaNa
 
2
(Mg
 
3
Al
 
2
)(AlSi
 
7
O
 
22
)(F,OH)
 
2
8/F.08-70Eckermannite
NaNa
 
2
(Mg
 
4
Al}Si
 
8
O
 
22
(OH)
 
2
8/F.08-80Ferro-eckermannite
NaNa
 
2
(Fe
2+
 
,
 
4
Al)Si
 
8
O
 
22
(OH)
 
2
8/F.08-82Fluoro-pedrizite
NaLi
 
2
(Mg
 
2
Al
 
2
Li)(Si
 
8
O
 
22
)F
 
2
8/F.08-82bFerro-ferri-pedrizite
[Na][Li
 
2
][Fe
2+
2
Fe
3+
2
Li]Si
 
8
O
 
22
(OH)
 
2
8/F.08-83Ferri-pedrizite
[Na][Li
 
2
][Mg
 
2
Fe
3+
2
Li]Si
 
8
O
 
22
(OH)
 
2
8/F.08-85Ferri-leakeite
[Na][Na
 
2
][Mg
 
2
Fe
3+
2
Li]Si
 
8
O
 
22
(OH)
 
2
8/F.08-85bFerro-ferri-leakeite
[Na][Na
 
2
][Fe
2+
2
Fe
3+
2
Li]Si
 
8
O
 
22
(OH)
 
2
8/F.08-86Ferro-ferri-fluoro-leakeite
Na(Na
 
2
)(Fe
2+
2
Fe
3+
2
Li)(Si
 
8
O
 
22
)(F)
 
2
8/F.08-86bPotassic-ferri-leakeite
[K][Na
 
2
][Mg
 
2
Fe
3+
2
Li]Si
 
8
O
 
22
(OH)
 
2
8/F.08-87Potassic-mangani-leakeite
[(Na,K)][Na
 
2
][Mg
 
2
Mn
3+
2
Li]Si
 
8
O
 
22
(OH)
 
2
8/F.08-88Mangano-mangani-ungarettiite
NaNa
 
2
(Mn
2+
2
Mn
3+
3
)(Si
 
8
O
 
22
)O
 
2
8/F.08-89Ferri-obertiite
Na(Na
 
2
)(Mg
 
3
Fe
3+
 
Ti)(Si
 
8
O
 
22
)O
 
2
8/F.08-90Magnesio-arfvedsonite
{Na}{Na
 
2
}{Mg
 
4
Fe
3+
 
}(Si
 
8
O
 
22
)(OH)
 
2
8/F.08-92Magnesio-fluoro-arfvedsonite
[Na][Na
 
2
][Mg
 
4
Fe
3+
 
][Si
 
8
O
 
22
](F,OH)
 
2
8/F.08-100Arfvedsonite
[Na][Na
 
2
][Fe
2+
4
Fe
3+
 
]Si
 
8
O
 
22
(OH)
 
2
8/F.08-102Potassic-magnesio-arfvedsonite
[K][Na
 
2
][Mg
 
4
Fe
3+
 
]Si
 
8
O
 
22
(OH)
 
2
8/F.08-103Potassic-magnesio-fluoro-arfvedsonite
[(K,Na)][Na
 
2
][Mg
 
4
Fe
3+
 
][Si
 
8
O
 
22
][(F,OH)
 
2
]
8/F.08-105Potassic-arfvedsonite
[(K,Na)][Na
 
2
][Fe
2+
4
Fe
3+
 
]Si
 
8
O
 
22
(OH)
 
2
8/F.08-110Mangano-arfvedsonite
[Na][Na
 
2
][Mn
2+
4
(Fe
3+
 
)]Si
 
8
O
 
22
(OH)
 
2

Other Names for Ferro-nybøite

Synonyms:
Ferronyböite
Other Languages:

Other Information

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

References for Ferro-nybøite

Reference List:

- +
Hawthorne, Frank C., and Roberta Oberti (2006) On the classification of amphiboles. Canadian Mineralogist: 44(1): 1-21.

Frank C. Hawthorne, Roberta Oberti, George E. Harlow, Walter V. Maresch, Robert F. Martin, John C. Schumacer, Mark D. Welch (2012): Nomenclature of the amphibole supergroup, American Mineralogist, Volume 97, pages 2031–2048

Internet Links for Ferro-nybøite

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  • Localities for Ferro-nybøite

    The 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. ? 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.
    Canada
     
    • Québec
      • Montérégie
        • La Vallée-du-Richelieu RCM
          • Mont Saint-Hilaire
    Horváth et al. unpublished data.
    Germany
     
    • Baden-Württemberg
      • Odenwald
        • Eberbach
          • Katzenbuckel
    Athena Mineralogy
    Italy
     
    • Piedmont
      • Cuneo Province
        • Varaita Valley
          • Brossasco
            • Gilba Valley
    Piccoli, G.C., Maletto, G., Bosio, P., Lombardo, B. (2007). Minerali del Piemonte e della Valle d'Aosta. Associazione Amici del Museo "F. Eusebio" Alba, Ed., Alba (Cuneo) 607 pp
    T. Hirajima and R. Compagnoni : "Petrology of a jadeite-quartz-almandine-phengite fels with retrograde ferro-nyböite from the Dora-Maira Massif, Western Alps", Eur. Journ. Mineral., 1993, 5, pp 943-955
    Russia
     
    • Northern Region
      • Murmanskaja Oblast'
        • Kola Peninsula
          • Turii Cape
    Pavel M. Kartashov
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