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Manganoneptunite

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Demix-Varennes quarry, Saint-Amable sill, Varennes & St-Amable, Lajemmerais RCM, Montérégie, Québec, Canada

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Formula:
Na
 
2
KLi(Mn
2+
 
,Fe
2+
 
)
 
2
Ti
 
2
[Si
 
8
O
 
24
]
System:MonoclinicColour:Red
Lustre:VitreousHardness:5 - 6
Isostructural with:Neptunite
This page provides mineralogical data about Manganoneptunite.

Classification of Manganoneptunite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:8/F.37-20
Nickel-Strunz 10th (pending) edition ID:9.EH.05

9 : SILICATES (Germanates)
E : Phyllosilicates
H : Transitional structures between phyllosilicate and other silicate units
Dana 7th edition ID:70.4.1.2
Dana 8th edition ID:70.4.1.2

70 : INOSILICATES Column or Tube Structures
4 : Column or Tube Structures with linked chains forming cages
Hey's CIM Ref.:14.9.27

14 : Silicates not Containing Aluminum
9 : Silicates of Ti
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Type Occurrence of Manganoneptunite

Type Locality:Maly Mannepakhk Mt (Malyi Mannepakhk Mt), Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia

Physical Properties of Manganoneptunite

Lustre:Vitreous
Colour:Red
Hardness (Mohs):5 - 6

Crystallography of Manganoneptunite

Crystal System:Monoclinic

Optical Data of Manganoneptunite

Type:Biaxial (+)
RI values: nα = 1.697 nβ = 1.700 nγ = 1.725
2V:Measured: 36° , Calculated: 40°
Maximum Birefringence:δ = 0.028

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:High
Dispersion:r > v strong

Chemical Properties of Manganoneptunite

Formula:
Na
 
2
KLi(Mn
2+
 
,Fe
2+
 
)
 
2
Ti
 
2
[Si
 
8
O
 
24
]
Essential elements:K, Li, Mn, Na, O, Si, Ti
All elements listed in formula:Fe, K, Li, Mn, Na, O, Si, Ti

Relationship of Manganoneptunite to other Species

Series:Forms a series with Neptunite (see here)
Structurally related to group(s):
Neptunite Group
Related Minerals - Nickel-Strunz Grouping):

- +
9.EH.05Neptunite
Na
 
2
KLi(Fe
2+
 
,Mn
2+
 
)
 
2
Ti
 
2
(Si
 
8
O
 
24
)
9.EH.05Watatsumiite
Na
 
2
KLi(Mn
2+
 
,Fe
2+
 
)
 
2
V
4+
2
[Si
 
8
O
 
24
]
9.EH.05Magnesioneptunite
KNa
 
2
Li(Mg,Fe)
 
2
Ti
 
2
Si
 
8
O
 
24
9.EH.10Grumantite
Na(HSi
 
2
O
 
5
) · H
 
2
O
9.EH.15Sarcolite
Na
 
2
Ca
 
12
(Ca,K,Fe,Sr,Mg)
 
2
Al
 
8
Si
 
12
(P,Si)O
 
52
F
 
2
9.EH.20Ussingite
Na
 
2
AlSi
 
3
O
 
8
OH
9.EH.25Leifite
(Na,H
 
2
O)Na
 
6
[Be
 
2
Al
 
2
(Al,Si)Si
 
15
O
 
39
]F
 
2
9.EH.25Telyushenkoite
(Cs,Na,K)Na
 
6
[F
 
2
|Be
 
2
Al
 
3
Si
 
15
O
 
39
]
9.EH.25Eirikite
KNa
 
6
Be
 
2
(Si
 
15
Al
 
3
)O
 
39
F
 
2
9.EH.30Nafertisite
Na
 
3
(Fe
2+
 
,Fe
3+
 
)
 
6
(Ti
 
2
Si
 
12
O
 
34
)(O,OH)
 
7
 · 2H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
14.9.1Natisite
Na
 
2
Ti(SiO
 
4
)O
14.9.2Lorenzenite
Na
 
2
Ti
 
2
(Si
 
2
O
 
6
)O
 
3
14.9.3Lintisite
LiNa
 
3
Ti
 
2
(Si
 
2
O
 
6
)
 
2
O
 
2
 · 2H
 
2
O
14.9.4Davanite
K
 
2
TiSi
 
6
O
 
15
14.9.5Kazakovite
Na
 
6
Mn
2+
 
Ti(Si
 
6
O
 
18
)
14.9.6Titanite
CaTi(SiO
 
4
)O
14.9.7Ohmilite
Sr
 
3
(Ti,Fe
3+
 
)(Si
 
4
O
 
12
)(O,OH) · 2-3H
 
2
O
14.9.8Lamprophyllite
(Sr,K,Ba)
 
2
(Na,Ti,Mn
2+
 
,Fe
3+
 
)
 
4
Ti
 
2
(Si
 
2
O
 
7
)
 
2
O(O,OH,F)
14.9.9Benitoite
BaTi(Si
 
3
O
 
9
)
14.9.10Batisite
BaNaNaTi
 
2
(Si
 
4
O
 
12
)O
 
2
14.9.11Fresnoite
Ba
 
2
Ti(Si
 
2
O
 
7
)O
14.9.12Joaquinite-(Ce)
NaBa
 
2
Ce
 
2
FeTi
 
2
[Si
 
4
O
 
12
]
 
2
O
 
2
(OH,F) · H
 
2
O
14.9.13Orthojoaquinite-(Ce)
NaBa
 
2
Ce
 
2
FeTi
 
2
[Si
 
4
O
 
12
]
 
2
O
 
2
(O,OH) · H
 
2
O
14.9.14Strontiojoaquinite
Sr
 
2
Ba
 
2
(Na,Fe)
 
2
Ti
 
2
[Si
 
4
O
 
12
]
 
2
O
 
2
(O,OH)
 
2
 · H
 
2
O
14.9.15Bario-orthojoaquinite
(Ba,Sr)
 
4
Fe
 
2
Ti
 
2
[Si
 
4
O
 
12
]
 
2
O
 
2
 · H
 
2
O
14.9.16Strontio-orthojoaquinite
(Na,Fe)
 
2
Sr
 
2
Ba
 
2
Ti
 
2
[Si
 
4
O
 
12
]
 
2
O
 
2
(O,OH)
 
2
 · H
 
2
O
14.9.17Bafertisite
Ba(Fe
3+
 
,Mn
2+
 
)
 
2
Ti(Si
 
2
O
 
7
)O(O,OH)
 
2
14.9.18Hejtmanite
Ba(Mn
2+
 
,Fe
2+
 
)
 
2
Ti(Si
 
2
O
 
7
)O(OH,F)
14.9.19Delindeite
(Na,K)
 
2
(Ba,Ca)
 
2
(Ti,Fe,Al)
 
3
(Si
 
2
O
 
7
)
 
2
O
 
2
(OH)
 
2
 · 2H
 
2
O
14.9.20Barytolamprophyllite
(Ba,Na)
 
2
(Na,Ti,Fe
3+
 
)
 
4
Ti
 
2
(Si
 
2
O
 
7
)
 
2
O(OH,F)
14.9.21Trimounsite-(Y)
Y
 
2
Ti
 
2
(SiO
 
4
)O
 
5
14.9.22Perrierite-(Ce)
(Ce,Ca,Th)
 
4
(Fe
2+
 
,Mg)Fe
3+
2
(Ti,Fe
3+
 
)
 
2
(Si
 
2
O
 
7
)
 
2
O
 
8
14.9.23Chevkinite
(Ca,Ce,Th)
 
4
(Fe,Mn)
 
2
(Ti,Fe)
 
3
Si
 
4
O
 
22
14.9.24Strontiochevkinite
(Sr,La,Ce,Ca)
 
4
Fe
2+
 
(Ti,Zr)
 
2
Ti
 
2
(Si
 
2
O
 
7
)
 
2
O
 
8
14.9.25Tisinalite
Na
 
3
H
 
3
(Mn,Ca,Fe)TiSi
 
6
(O,OH)
 
18
 · 2H
 
2
O
14.9.26Neptunite
Na
 
2
KLi(Fe
2+
 
,Mn
2+
 
)
 
2
Ti
 
2
(Si
 
8
O
 
24
)
14.9.28Kupletskite
(K,Na)
 
3
(Mn,Fe)
 
7
Ti
 
2
Si
 
8
O
 
26
(OH)
 
4
F
14.9.29Astrophyllite
(K,Na)
 
3
(Fe,Mn)
 
7
Ti
 
2
Si
 
8
O
 
24
(O,OH)
 
7
14.9.30Hydroastrophyllite
(H
 
3
O,K,Ca)
 
3
(Fe,Mn)
 
5-65
Ti
 
2
Si
 
8
(O,OH)
 
31
14.9.31Magnesioastrophyllite
(Na,K)
 
4
Mg
 
2
(Fe,Fe,Mn)
 
5
Ti
 
2
Si
 
8
O
 
24
(O,OH,F)
 
7
14.9.32Baratovite
KCa
 
7
(Ti,Zr)
 
2
Li
 
3
Si
 
12
O
 
36
F
 
2
14.9.34Aenigmatite
Na
 
2
Fe
2+
5
Ti(Si
 
6
O
 
18
)O
 
2
14.9.35Schorlomite
Ca
 
3
(Ti,Fe
3+
 
)
 
2
((Si,Fe
3+
 
)O
 
4
)
 
3
14.9.36Tinaksite
K
 
2
Na(Ca,Mn
2+
 
)
 
2
Ti[O|Si
 
7
O
 
18
(OH)]
14.9.37Janhaugite
(Na,Ca)
 
3
(Mn
2+
 
,Fe
2+
 
)
 
3
(Ti,Zr,Nb)
 
2
(Si
 
2
O
 
7
)
 
2
O
 
2
(OH,F)
 
2
14.9.38Koashvite
Na
 
6
(Ca,Mn)(Ti,Fe)Si
 
6
O
 
18
 · H
 
2
O

Other Names for Manganoneptunite

Synonyms:
Mangan-neptuniteManganneptuniteMn-Neptunite
Other Languages:
German:Manganneptunit
Manganoneptunit

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 Manganoneptunite

Reference List:

- +
Kurbatov S M (1923) Analyse d'une neptounite manganifère des Monts Chibines en Laponie russe, Comptes Rendus de l’Académie des Sciences de Russie, 1, 59-60 Fersman A E (1926) Minerals of the Kola Peninsula, American Mineralogist, 11, 289-299
Foshag W F, Schairer J F (1927) New mineral names, American Mineralogist, 12, 95-98
Borisov S V, Klevtsova R F, Bakakin V V, Belov N V (1966) The crystal structure of neptunite, Soviet Physics - Crystallography, 10, 684-689
Zolotarev A A, Krivovichev S V, Yakovenchuk V N (2007) Refinement of the mangan-neptunite crystal structure, Geology of Ore Deposits, 49, 835-838
BØGGILD, O.B. (1953) The Mineralogy of Greenland. C.A. Reitzels Forlag, Copenhagen, 439 p.
MANDARINO, J.A., HARRIS, D.C., and BRADLEY, J. (1965) Mangan neptunite, epididymite, and new species from Mont St. Hilaire. Canadian Mineralogist, 8, 398. (Abstract)

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    • Localities for Manganoneptunite

    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.
    Hide Locality List
    (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
        • Lajemmerais RCM
          • Varennes & St-Amable
            • Saint-Amable sill
    		Horváth, L., Pfenninger-Horváth, E., Gault, R. A., & Tarassoff, P. (1998): Mineralogy of the Saint-Amable Sill, Varennes and Saint-Amable, Québec. Mineralogical Record, 29: 83-118.
        • Rouville RCM
          • Mont Saint-Hilaire
    		Mandarino, J.A., Harris, D.C. and Bradley, J. (1965), Mangan-neptunite, epididymite, and new species from Mont St.-Hilaire. Canadian Mineralogist: 8: 398.
      • Montréal
    		Horváth collection
    Malawi
     
    • Zomba District
    		Petersen, O.V., Rønsbo, J.G. & Leonardsen, E.S. (1994): Hingganite-(Y) from the Zomba-Malosa complex, Malawi. Neues Jahrbuch für Mineralogie, Monatshefte. Heft 4: 185-192
    Morocco
     
    • Meknès-Tafilalet Region
      • Khénifra Province
        • High Atlas Mtn
          • Tamazeght complex
    		Khadem Allah, B. (1993)
    Namibia
     
    • Khomas Region
      • Windhoek District
        • Aris
    		von Knorring, O. and Franke, W. (1987): A preliminary note on the mineralogy and geochemistry of the Aris phonolite, SWA/Namibia. Comm. Geol. Surv. S.W.Africa (Namibia) 3, 61; Wartha, R., Palfi, A., Niedermayr, G., Brandstätter, F. and Petersen, O. V. (2001): Der Aris-Phonolith-Komplex und seine Mineralien. In Bahmann, U. and A. (Eds.), Namibia – Zauberwelt edler Steine und Kristalle, Bode-Verlag, Haltern, Germany, pp. 172-179. (in German); Uwe Kolitsch (single-crystal X-ray diffraction + SEM-EDS); [http://www.koeln.netsurf.de/~w.steffens/aris.htm]; Rocks & Min. (2007) 82:243-244
    Russia
     
    • Northern Region
      • Murmanskaja Oblast'
        • Kola Peninsula
          • Khibiny Massif
            • Eveslogchorr Mt
              • Astrophyllite Stream
    		Pekov et al (2005) New Data on Minerals Vol 40 pp11-16
    American Mineralogist, Volume 94, pages 1450–1458, 2009
    Pekov, I.V. & Podlesnyi, A.S. (2004): Kukisvumchorr Deposit: Mineralogy of Alkaline Pegmatites and Hydrotermalites. Mineralogical Almanac, vol. 7, 140 pages + xxiv photo's pages
    Collection of the Fersman's Mineralogical Museum in Moscow. Specimen donated by G. Riabinin in 2010.
    Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
    Pavel M. Kartashov data
    various added photos
          • Lovozero Massif
    		[World of Stones 95:5-6, p64]
    Pavel M. Kartashov data
              • Umbozero mine (Umba mine)
    		Th Witzke collection; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
    Pavel M. Kartashov data
            • Karnasurt Mt
    		New Data on Minerals M., 2004 Vol 39 pp 5-13
    Mineralogical Record (2000): 31: 203.; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
    Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
    Mineralogical Record: 36(4): 397-416.
            • Kuftn'yun Mt
    		Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
    Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
    Ermolaeva, V.N., Pekov, I.V., Chukanov, N.V., Zadov, A.E. (2007): Geology of Ore Deposits 49(8), 758-775.
            • Seidozero Lake
    		Yakovenchuk, V.N., Pakhomovsky, Ya.A., Men’shikov, Yu.P., Mikhailova, J.A., and Ivanyuk, G.Yu. (2007): Canadian Mineralogist 45, 451-456.
    Semenov E.I. (1972) Mineralogy of Lovozero alkaline massif, - Moscow, Nauka, p. 308 (in Rus.)
    Ermolaeva, V.N., Pekov, I.V., Chukanov, N.V., Zadov, A.E. (2007): Geology of Ore Deposits 49(8), 758-775.
    USA
     
    • Montana
      • Meagher Co.
    		www.cseg.ca/conferences/2000/376.PDF.
    • New Mexico
      • Colfax Co.
        • Springer
          • Point of Rocks Mesa (Pecks Mesa)
    		Rocks & Min.:60:229.
    Mineral and/or Locality
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