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Ferro-eckermannite

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Big Photo

Khan Bogdo (Khan-Bogdinskii) Massif, Gobi Desert, Mongolia
© 2007, JGW




Formula:
NaNa
 
2
(Fe
2+
 
,
 
4
Al)Si
 
8
O
 
22
(OH)
 
2
The eckermannite group minerals are sodium amphiboles defined with A(Na+K+2Ca)> 0.5 apfu and 0.5 apfu < C(Al+Fe3++2Ti) < 1.5 apfu with Al as the dominant element

Ferro-eckermannite is defined with

A position: Na dominant
C2+ position: Fe dominant
C3+ position: Al dominant
W position: (OH) dominant
System:Monoclinic
Member of:Eckermannite Group > Sodium Amphibole Subgroup > w(OH, F, Cl)-dominant Amphibole Group > Amphibole Supergroup
Name:For its relationship to eckermannite.
This page provides mineralogical data about Ferro-eckermannite.

Classification of Ferro-eckermannite

IMA status:Approved 1978
Strunz 8th edition ID:8/F.08-80
Nickel-Strunz 10th (pending) edition ID:9.DE.25

9 : SILICATES (Germanates)
D : Inosilicates
E : Inosilicates with 2-periodic double chains, Si4O11; Clinoamphiboles
Hey's CIM Ref.:16.20.5

16 : Silicates Containing Aluminum and other Metals
20 : Aluminosilicates of Fe, Mg and alkalis
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Crystallography of Ferro-eckermannite

Crystal System:Monoclinic

Chemical Properties of Ferro-eckermannite

Formula:
NaNa
 
2
(Fe
2+
 
,
 
4
Al)Si
 
8
O
 
22
(OH)
 
2


The eckermannite group minerals are sodium amphiboles defined with A(Na+K+2Ca)> 0.5 apfu and 0.5 apfu < C(Al+Fe3++2Ti) < 1.5 apfu with Al as the dominant element

Ferro-eckermannite is defined with

A position: Na dominant
C2+ position: Fe dominant
C3+ position: Al dominant
W position: (OH) dominant
Essential elements:Fe, H, Na, O, Si
All elements listed in formula:Al, Fe, H, Na, O, Si

Relationship of Ferro-eckermannite to other Species

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

- +
Eckermannite
NaNa
 
2
(Mg
 
4
Al}Si
 
8
O
 
22
(OH)
 
2
Ferro-fluoro-eckermannite
NaNa
 
2
(Fe
2+
4
Al}Si
 
8
O
 
22
F
 
2
Fluoro-eckermannite
NaNa
 
2
(Mg
 
4
Al}Si
 
8
O
 
22
F
 
2
Potassic-eckermannite
{K}{Na
 
2
}{Mg
 
4
Al}(Si
 
8
O
 
22
)(OH)
 
2
Related Minerals - Nickel-Strunz Grouping):

- +
9.DE.05Anthophyllite
☐{Mg
 
2
}{Mg
 
5
}(Si
 
8
O
 
22
)(OH)
 
2
9.DE.05Cummingtonite
☐{Mg
 
2
}{Mg
 
5
}(Si
 
8
O
 
22
)(OH)
 
2
9.DE.05Clino-holmquistite Group
☐{Li
 
2
}{Z
2+
3
Z
3+
2
}(Si
 
8
O
 
22
)((OH),F,Cl)
 
2
9.DE.05Grunerite
☐{Fe
2+
2
}{Fe
2+
5
}(Si
 
8
O
 
22
)(OH)
 
2
9.DE.05Manganocummingtonite
☐{Mn
2+
2
}{Mg
 
5
}(Si
 
8
O
 
22
)(OH)
 
2
9.DE.05Manganogrunerite
☐{Mn
2+
2
}{Fe
2+
5
}(Si
 
8
O
 
22
)(OH)
 
2
9.DE.05Permanganogrunerite
☐{Mn
2+
2
}{Mn
2+
5
}(Si
 
8
O
 
22
)(OH)
 
2
9.DE.05Ferro-fluoro-pedrizite
{Na}{Li
 
2
}{Fe
 
2
Al
 
2
Li}(Al
 
2
Si
 
6
O
 
22
)F
 
2
9.DE.05Ferri-fluoro-leakeite
{Na}{Na
 
2
}{Mg
 
2
Fe
3+
2
Li}(Si
 
8
O
 
22
)F
 
2
9.DE.10Actinolite
☐{Ca
 
2
}{(Mg,Fe
2+
 
)
 
5
}(Si
 
8
O
 
22
)(OH)
 
2
9.DE.10Ferri-tschermakite
☐{Ca
 
2
}{Mg
 
3
Fe
3+
2
}(Al
 
2
Si
 
6
O
 
22
)(OH)
 
2
9.DE.10Ferro-Actinolite
☐{Ca
 
2
}{Fe
2+
5
}(Si
 
8
O
 
22
)(OH)
 
2
9.DE.10Ferro-hornblende
☐{Ca
 
2
}{Fe
2+
4
Al}(AlSi
 
7
O
 
22
)(OH)
 
2
9.DE.10Ferro-tschermakite
☐{Ca
 
2
}{Fe
2+
3
Al
 
2
}(Al
 
2
Si
 
6
O
 
22
)(OH)
 
2
9.DE.10Joesmithite
{Pb}{Ca
 
2
}{Mg
 
3
Fe
3+
2
}(Be
 
2
Si
 
6
O
 
22
)(OH)
 
2
9.DE.10Magnesio-hornblende
☐{Ca
 
2
}{Mg
 
4
Al}(AlSi
 
7
O
 
22
)(OH)
 
2
9.DE.10Tremolite
☐{Ca
 
2
}{Mg
 
5
}(Si
 
8
O
 
22
)(OH)
 
2
9.DE.10Tschermakite
☐(Ca
 
2
)(Mg
 
3
Al
 
2
)(Al
 
2
Si
 
6
O
 
22
)(OH)
 
2
9.DE.10Cannilloite
Ca(Ca
 
2
)(Mg
 
4
Al)(Al
 
3
Si
 
5
O
 
22
)(OH)
 
2
9.DE.10Fluor-cannilloite
{Ca}{Ca
 
2
}{Mg
 
4
Al}(Al
 
3
Si
 
5
O
 
22
)(F,OH)
 
2
9.DE.10Parvo-manganotremolite
☐{CaMn
2+
 
}{Mg
 
5
}(Si
 
8
O
 
22
)(OH)
 
2
9.DE.10Fluoro-tremolite
☐{Ca
 
2
}{Mg
 
5
}(Si
 
8
O
 
22
)F
 
2
9.DE.10Potassic-fluoro-pargasite
{K}{Ca
 
2
}{Mg
 
4
Al}(Al
 
2
Si
 
6
O
 
22
)F
 
2
9.DE.15Edenite
{Na}{Ca
 
2
}{Mg
 
5
}(AlSi
 
7
O
 
22
)(OH)
 
2
9.DE.15Ferro-edenite
{Na}{Ca
 
2
}{Fe
2+
5
}(AlSi
 
7
O
 
22
)(OH)
 
2
9.DE.15Ferro-kaersutite
{Na}{Ca
 
2
}{Fe
2+
3
AlTi}(Al
 
2
Si
 
6
O
 
22
)O
 
2
9.DE.15Ferro-pargasite
{Na}{Ca
 
2
}{Fe
2+
4
Al}(Al
 
2
Si
 
6
O
 
22
)(OH)
 
2
9.DE.15Hastingsite
{Na}{Ca
 
2
}{Fe
2+
4
Fe
3+
 
}(Al
 
2
Si
 
6
O
 
22
)(OH)
 
2
9.DE.15Kaersutite
{Na}{Ca
 
2
}{Mg
 
3
AlTi}(Al
 
2
Si
 
6
O
 
22
)O
 
2
9.DE.15Magnesio-hastingsite
{Na}{Ca
 
2
}{Mg
 
4
Fe
3+
 
}(Al
 
2
Si
 
6
O
 
22
)(OH)
 
2
9.DE.15Pargasite
{Na}{Ca
 
2
}{Mg
 
4
Al}(Al
 
2
Si
 
6
O
 
22
)(OH)
 
2
9.DE.15Sadanagaite
{Na}{Ca
 
2
}{Mg
 
3
Al
 
2
}(Al
 
3
Si
 
5
O
 
22
)(OH)
 
2
9.DE.15Fluoro-edenite
{Na}{Ca
 
2
}{Mg
 
5
}(AlSi
 
7
O
 
22
)(F,OH)
 
2
9.DE.15Potassic-ferro-ferri-sadanagaite
{K}{Ca
 
2
}{Fe
2+
3
Fe
3+
2
}(Al
 
3
Si
 
5
O
 
22
)(OH)
 
2
9.DE.15Potassic-sadanagaite
{K}{Ca
 
2
}{Mg
 
3
Al
 
2
}(Al
 
3
Si
 
5
O
 
22
)(OH)
 
2
9.DE.15Potassic-pargasite
{K}{Ca
 
2
}{Mg
 
4
Al}(Al
 
2
Si
 
6
O
 
22
)(OH)
 
2
9.DE.15Potassic-ferro-sadanagaite
{K}{Ca
 
2
}{Fe
2+
3
Al
 
2
}(Al
 
3
Si
 
5
O
 
22
)(OH)
 
2
9.DE.15Magnesio-fluoro-hastingsite
{Na}{Ca
 
2
}{Mg
 
4
Fe
3+
 
}(Al
 
2
Si
 
6
O
 
22
)F
 
2
9.DE.15Potassic- fluoro-hastingsite
{K}{Ca
 
2
}{Fe
2+
4
Fe
3+
 
}(Al
 
2
Si
 
6
O
 
22
)(F,OH)
 
2
9.DE.15Potassic-chloro-hastingsite
{K}{Ca
 
2
}{Fe
2+
4
Fe
3+
 
}(Al
 
2
Si
 
6
O
 
22
)(Cl,OH)
 
2
9.DE.15Fluoro-pargasite
{Na}{Ca
 
2
}{Mg
 
4
Al}(Al
 
2
Si
 
6
O
 
22
)(F,OH)
 
2
9.DE.15Parvo-mangano-edenite
{Na}{CaMn
2+
 
}{Mg
 
5
}(AlSi
 
7
O
 
22
)(OH)
 
2
9.DE.15Potassic-chloro-pargasite
{K}{Ca
 
2
}{Mg
 
4
Al}(Al
 
2
Si
 
6
O
 
22
)(Cl,OH)
 
2
9.DE.15Potassic-ferro-chloro-edenite
{K}{Ca
 
2
}{Fe
2+
5
}(AlSi
 
7
O
 
22
)(Cl,OH)
 
2
9.DE.15Potassic-magnesio-hastingsite
{K}{Ca
 
2
}{Mg
 
4
Fe
3+
 
}(Al
 
2
Si
 
6
O
 
22
)(OH)
 
2
9.DE.15Potassic-ferro-pargasite
{K}{Ca
 
2
}{Fe
2+
4
Al}(Al
 
2
Si
 
6
O
 
22
)(OH)
 
2
9.DE.15Chromio-pargasite
{Na}{Ca
 
2
}{Mg
 
4
Cr
3+
 
}(Al
 
2
Si
 
6
O
 
22
)(OH)
 
2
9.DE.20Ferro-taramite
Na(CaNa)(Fe
2+
3
Al
 
2
)(Al
 
2
Si
 
6
O
 
22
)(OH)
 
2
9.DE.20Barroisite
☐{CaNa}{Mg
 
3
Al
 
2
}(AlSi
 
7
O
 
22
)(OH)
 
2
9.DE.20Ferro-ferri-barroisite
☐(CaNa)(Fe
2+
3
Fe
3+
2
)(AlSi
 
7
O
 
22
)(OH)
 
2
9.DE.20Ferro-ferri-winchite
☐[CaNa][Fe
2+
4
(Fe
3+
 
,Al)]Si
 
8
O
 
22
(OH)
 
2
9.DE.20Ferri-barroisite
☐(CaNa)(Mg
 
3
Fe
3+
2
)(AlSi
 
7
O
 
22
)(OH)
 
2
9.DE.20Ferro-ferri-taramite
Na(CaNa)(Fe
2+
3
Fe
3+
2
)(Al
 
2
Si
 
6
O
 
22
)(OH)
 
2
9.DE.20Ferro-ferri-katophorite
NaCaNaFe
2+
4
(Fe
3+
 
)[(AlSi
 
7
)O
 
22
](OH)
 
2
9.DE.20Ferro-barroisite
☐{CaNa}{Fe
2+
3
Al
 
2
}(AlSi
 
7
O
 
22
)(OH)
 
2
9.DE.20Ferro-richterite
{Na}{CaNa}{Fe
2+
5
}(Si
 
8
O
 
22
)(OH)
 
2
9.DE.20Ferro-winchite
☐{CaNa}{Fe
2+
4
Al}(Si
 
8
O
 
22
)(OH)
 
2
9.DE.20Ferro-katophorite
{Na}{CaNa}{Fe
2+
4
Al}[(AlSi
 
7
)O
 
22
](OH)
 
2
9.DE.20Ferri-taramite
Na(CaNa)(Mg
 
3
Fe
3+
2
)(Al
 
2
Si
 
6
O
 
22
)(OH)
 
2
9.DE.20Magnesiotaramite
{Na}{CaNa}{Mg
 
3
AlFe
3+
 
}(Al
 
2
Si
 
6
O
 
22
)(OH)
 
2
9.DE.20Richterite
{Na}{CaNa}{Mg
 
5
}(Si
 
8
O
 
22
)(OH)
 
2
9.DE.20Winchite
☐{CaNa}{Mg
 
4
Al}(Si
 
8
O
 
22
)(OH)
 
2
9.DE.20Taramite
{Na}{CaNa}{Mg
 
3
Al
 
2
}(Al
 
2
Si
 
6
O
 
22
)(OH)
 
2
9.DE.20Fluoro-richterite
{Na}{CaNa}{Mg
 
5
}(Si
 
8
O
 
22
)(F,OH)
 
2
9.DE.20Katophorite
{Na}{CaNa}{Mg
 
4
Al}[(AlSi
 
7
)O
 
22
](OH)
 
2
9.DE.20Potassic-fluoro-richterite
{K}{CaNa}{Mg
 
5
}(Si
 
8
O
 
22
)(F,OH)
 
2
9.DE.20Potassic-richterite
K[CaNa][Mg
 
5
]Si
 
8
O
 
22
(OH)
 
2
9.DE.20Ferri-ghoseite
☐[Mn
2+
 
Na][Mg
 
4
Fe
3+
 
]Si
 
8
O
 
22
(OH)
 
2
9.DE.20Ferri-winchite
☐[CaNa][Mg
 
4
(Fe
3+
 
,Al)]Si
 
8
O
 
22
(OH)
 
2
9.DE.20Fluoro-taramite
{Na}{CaNa}{Mg
 
3
Al
 
2
}(Al
 
2
Si
 
6
O
 
22
)F
 
2
9.DE.25Arfvedsonite
[Na][Na
 
2
][Fe
2+
4
Fe
3+
 
]Si
 
8
O
 
22
(OH)
 
2
9.DE.25Eckermannite
NaNa
 
2
(Mg
 
4
Al}Si
 
8
O
 
22
(OH)
 
2
9.DE.25Ferro-glaucophane
◻[Na
 
2
][Fe
2+
3
Al
 
2
]Si
 
8
O
 
22
(OH)
 
2
9.DE.25Glaucophane
◻[Na
 
2
][Mg
 
3
Al
 
2
]Si
 
8
O
 
22
(OH)
 
2
9.DE.25Potassic-mangani-leakeite
[(Na,K)][Na
 
2
][Mg
 
2
Mn
3+
2
Li]Si
 
8
O
 
22
(OH)
 
2
9.DE.25Mangano-arfvedsonite
[Na][Na
 
2
][Mn
2+
4
(Fe
3+
 
)]Si
 
8
O
 
22
(OH)
 
2
9.DE.25Ferri-leakeite
[Na][Na
 
2
][Mg
 
2
Fe
3+
2
Li]Si
 
8
O
 
22
(OH)
 
2
9.DE.25Magnesio-riebeckite
◻{Na
 
2
}{Mg
 
3
Fe
3+
2
}(Si
 
8
O
 
22
)(OH)
 
2
9.DE.25Magnesio-arfvedsonite
{Na}{Na
 
2
}{Mg
 
4
Fe
3+
 
}(Si
 
8
O
 
22
)(OH)
 
2
9.DE.25Nybøite
NaNa
 
2
(Mg
 
3
Al
 
2
)(AlSi
 
7
O
 
22
)(OH)
 
2
9.DE.25Riebeckite
◻[Na
 
2
][Fe
2+
3
Fe
3+
2
]Si
 
8
O
 
22
(OH)
 
2
9.DE.25Mangano-mangani-ungarettiite
NaNa
 
2
(Mn
2+
2
Mn
3+
3
)(Si
 
8
O
 
22
)O
 
2
9.DE.25Ferro-ferri-nybøite
NaNa
 
2
[(Fe
2+
3
,Mg)Fe
3+
2
](AlSi
 
7
O
 
22
)(OH)
 
2
9.DE.25Clino-ferro-ferri-holmquistite
◻{Li
 
2
}{Fe
2+
3
Fe
3+
2
}(Si
 
8
O
 
22
)(OH)
 
2
9.DE.25Ferri-nybøite
NaNa
 
2
(Mg
 
3
Fe
3+
2
](AlSi
 
7
O
 
22
)(OH)
 
2
9.DE.25Ferro-ferri-leakeite
[Na][Na
 
2
][Fe
2+
2
Fe
3+
2
Li]Si
 
8
O
 
22
(OH)
 
2
9.DE.25Ferro-ferri-fluoro-leakeite
Na(Na
 
2
)(Fe
2+
2
Fe
3+
2
Li)(Si
 
8
O
 
22
)(F)
 
2
9.DE.25Sodic-ferri-clinoferroholmquistite
☐{Li
 
2
}{Fe
2+
3
Fe
3+
2
}(Si
 
8
O
 
22
)(OH)
 
2
9.DE.25Magnesio-fluoro-arfvedsonite
[Na][Na
 
2
][Mg
 
4
Fe
3+
 
][Si
 
8
O
 
22
](F,OH)
 
2
9.DE.25Ferri-pedrizite
[Na][Li
 
2
][Mg
 
2
Fe
3+
2
Li]Si
 
8
O
 
22
(OH)
 
2
9.DE.25Potassic-ferri-leakeite
[K][Na
 
2
][Mg
 
2
Fe
3+
2
Li]Si
 
8
O
 
22
(OH)
 
2
9.DE.25Fluoro-nybøite
NaNa
 
2
(Mg
 
3
Al
 
2
)(AlSi
 
7
O
 
22
)(F,OH)
 
2
9.DE.25Mangani-dellaventuraite
{Na}{Na
 
2
}{MgMn
3+
2
LiTi
4+
 
}Si
 
8
O
 
22
O
 
2
9.DE.25Fluoro-pedrizite
NaLi
 
2
(Mg
 
2
Al
 
2
Li)(Si
 
8
O
 
22
)F
 
2
9.DE.25Potassic-arfvedsonite
[(K,Na)][Na
 
2
][Fe
2+
4
Fe
3+
 
]Si
 
8
O
 
22
(OH)
 
2
9.DE.25Ferri-obertiite
Na(Na
 
2
)(Mg
 
3
Fe
3+
 
Ti)(Si
 
8
O
 
22
)O
 
2
9.DE.25Potassic-magnesio-fluoro-arfvedsonite
[(K,Na)][Na
 
2
][Mg
 
4
Fe
3+
 
][Si
 
8
O
 
22
][(F,OH)
 
2
]
9.DE.25Ferro-ferri-pedrizite
[Na][Li
 
2
][Fe
2+
2
Fe
3+
2
Li]Si
 
8
O
 
22
(OH)
 
2
9.DE.25Potassic-magnesio-arfvedsonite
[K][Na
 
2
][Mg
 
4
Fe
3+
 
]Si
 
8
O
 
22
(OH)
 
2
9.DE.25Pedrizite
NaLi
 
2
(LiMg
 
2
Al
 
2
)(Si
 
8
O
 
22
)(OH)
 
2
9.DE.25Ferro-pedrizite
NaLi
 
2
(LiFe
2+
2
Al
 
2
)Si
 
8
O
 
22
(OH)
 
2
9.DE.25Fluoro-leakeite
NaNa
 
2
(Mg
 
2
Al
 
2
Li)(Si
 
8
O
 
22
)F
 
2
9.DE.25Ferro-ferri-obertiite
NaNa
 
2
(Fe
2+
3
Fe
3+
 
Ti)Si
 
8
O
 
22
O
 
2
Related Minerals - Hey's Index Grouping:

- +
16.20.1Glaucophane
◻[Na
 
2
][Mg
 
3
Al
 
2
]Si
 
8
O
 
22
(OH)
 
2
16.20.2Sodium-anthophyllite
16.20.3Sodium Gedrite
16.20.4Crossite
16.20.6Wonesite
(Na,K)(Mg,Fe,Al)
 
6
((Al,Si)
 
4
O
 
10
)
 
2
(OH,F)
 
4
16.20.8Lennilenapeite
K
 
6-7
(Mg,Mn,Fe,Zn)
 
48
(Si,Al)
 
72
(O,OH)
 
216
 · 16H
 
2
O
16.20.9Stilpnomelane
(K,Ca,Na)(Fe
2+
 
,Mg,Al,Fe
3+
 
)
 
8
(Si,Al)
 
12
(O,OH)
 
36
 · nH
 
2
O
16.20.10Glauconite
(K,Na)(Fe
3+
 
,Al,Mg)
 
2
((Si,Al)
 
4
O
 
10
)(OH)
 
2

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-eckermannite

Reference List:

- +
American Mineralogist (1978): 63: 1023.

Mineralogical Magazine (1964): 33: 1097.

Canadian Mineralogist (1997): 35: 219.

Mineralogical Record: 29: 169-174.

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

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    • Localities for Ferro-eckermannite

    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.
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    (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
        • Rouville RCM
          • Mont Saint-Hilaire
    		HORVÁTH, L. & PFENNINGER-HORVÁTH, E. (2000) I minerali di Mont-Saint-Hilaire (Québec, Canada) Rivista Mineralogica Italiana, XXIV, 140-202 (in Italian with English summary).
    Italy
     
    • Aosta Valley
      • Nus
        • Saint-Barthélemy
    		• Barresi, A.A., Kolitsch, U., Ciriotti, M.E., Ambrino, P., Bracco, R., Bonacina, E. (2005): La miniera di manganese di Varenche (Aosta, Italia nord-occidentale): ardennite, arseniopleite, manganberzeliite, pirofanite, sarkinite, thortveitite, nuovo As-Sc-analogo della metavariscite e altre specie. Micro (località), 2/2005, 81-122.
    • Sicily
      • Trapani Province
    		Journal of Petrology (1998)
    Madagascar
     
    • Antsiranana Province
      • Diana Region (Northern Region)
        • Ambanja District
          • Ampasindava Peninsula
    		Rakotovao, S. (2009): Les minéralisations associées aux intrusions alcalines d’Ampasindava.- http://madarevues.recherches.gov.mg/revues/pdfxfiles/Madageo13(1).pdf RAKOTOVAO, S.R. (2009): LES MINERALISATIONS ASSOCIEES AUX INTRUSIONS ALCALINES D’AMPASINDAVA.- Ph.D. study, University of Antananarivo, 189 pages.
    Russia
     
    • Northern Region
      • Murmanskaja Oblast'
        • Kola Peninsula
          • Khibiny Massif
            • Kukisvumchorr Mt
    		Konopleva, N.G., Ivanyuk, G.Y., Pakhomovsky, Y.A., Yakovenchuk, V.N., Men’shikov, Y.P., and Korchak, Y.A. (2008): Geology of Ore Deposits 50(8), 720-731.
    Konopleva, N.G., Ivanyuk, G.Y., Pakhomovsky, Y.A., Yakovenchuk, V.N., Men’shikov, Y.P., and Korchak, Y.A. (2008): Geology of Ore Deposits 50(8), 720-731.
    Konopleva, N.G., Ivanyuk, G.Y., Pakhomovsky, Y.A., Yakovenchuk, V.N., Men’shikov, Y.P., and Korchak, Y.A. (2008): Geology of Ore Deposits 50(8), 720-731.
    USA
     
    • North Carolina
      • Pitt Co.
        • Fountain
    		Alkaline Rocks and Carbonatites of the World Part 1, North and South America-Wolley,A,R,-1987
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    Copyright © Jolyon Ralph and Ida Chau 1993-2013. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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