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Mopungite

Big Photo

Le Cetine di Cotorniano Mine (Le Cetine Mine; Cetine Mine; Rosia), Chiusdino, Siena Province, Tuscany, Italy
© Thomas Witzke

Show Mopungite Photos (6)
Formula:
Na[Sb
5+
 
(OH)
 
6
]
System:TetragonalColour:Colourless, white
Lustre:VitreousHardness:3


Stottite Group.

Classification of Mopungite

IMA status:Approved 1982
Strunz 8th edition ID:4/F.17-10
Nickel-Strunz 10th (pending) edition ID:4.FC.15

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
F : Hydroxides (without V or U)
C : Hydroxides with OH, without H2O; corner-sharing octahedra
Dana 8th edition ID:6.3.7.4

6 : HYDROXIDES AND OXIDES CONTAINING HYDROXYL
3 : X(OH)3
Hey's CIM Ref.:24.1.1

24 : Antimonates and Antimonites
1 : Antimonates and antimonites of Na, Cu or Ag
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Type Occurrence of Mopungite

Type Locality:Green prospect, Lake District, Churchill Co., Nevada, USA
Year of Discovery:1985

Physical Properties of Mopungite

Lustre:Vitreous
Colour:Colourless, white
Hardness (Mohs):3

Crystallography of Mopungite

Crystal System:Tetragonal
Class (H-M):4/m - Dipyramidal
Space Group:P42/n
Cell Parameters:a = 7.994Å, c = 7.859Å
Ratio:a:c = 1 : 0.983
Unit Cell Volume:V 502.22 ų (Calculated from Unit Cell)

Optical Data of Mopungite

Type:Uniaxial (-)
RI values: nω = 1.614 nε = 1.605
Maximum Birefringence:δ = 0.009

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate

Chemical Properties of Mopungite

Formula:
Na[Sb
5+
 
(OH)
 
6
]
Essential elements:H, Na, O, Sb
All elements listed in formula:H, Na, O, Sb

Relationship of Mopungite to other Species

Related to:
  • Stottite Group
    • Related Minerals - Nickel-Strunz Grouping):

    - +
    4.FC.05Bernalite
    Fe(OH)
     
    3
    		 · nH
     
    2
    		O (n = 0.0 to 0.25)
    4.FC.05Dzhalindite
    In(OH)
     
    3
    4.FC.05Söhngeite
    Ga(OH)
     
    3
    4.FC.10Burtite
    Ca[Sn(OH)
     
    6
    		]
    4.FC.10Mushistonite
    (Cu,Zn,Fe
    2+
     
    		)[Sn(OH)
     
    6
    		]
    4.FC.10Natanite
    Fe
    2+
     
    		[Sn(OH)
     
    6
    		]
    4.FC.10Schoenfliesite
    Mg[Sn(OH)
     
    6
    		]
    4.FC.10Vismirnovite
    Zn[Sn(OH)
     
    6
    		]
    4.FC.10Wickmanite
    Mn
    2+
     
    		[Sn(OH)
     
    6
    		]
    4.FC.15Jeanbandyite
    (Fe
    2+
     
    		,Mn
    2+
     
    		)[Sn
    4+
     
    		(OH)
     
    6
    		]
    4.FC.15Stottite
    Fe
    2+
     
    		[Ge
    4+
     
    		(OH)
     
    6
    		]
    4.FC.15Tetrawickmanite
    Mn
    2+
     
    		[Sn
    4+
     
    		(OH)
     
    6
    		]
    4.FC.20Ferronigerite-2N1S
    Sn(Fe,Mg)Al
     
    6
    		O
     
    11
    		(OH)
    4.FC.20Magnesionigerite-6N6S
    Sn(Mg,Fe)
     
    2
    		Al
     
    8
    		O
     
    15
    		(OH)
    4.FC.20Magnesionigerite-2N1S
    Sn(Mg,Fe)Al
     
    6
    		O
     
    11
    		(OH)
    4.FC.20Ferronigerite-6N6S
    Sn(Fe,Mg)
     
    2
    		Al
     
    8
    		O
     
    15
    		(OH)
    4.FC.20Zinconigerite-2N1S
    Sn(Zn,Fe,Mg)Al
     
    6
    		O
     
    11
    		(OH)
    4.FC.20Zinconigerite-6N6S
    4.FC.25Magnesiotaaffeite-6N’3S
    (Mg,Fe,Zn)
     
    2
    		Al
     
    6
    		BeO
     
    12
    4.FC.25Magnesiotaaffeite-2N’2S
    Mg
     
    3
    		Al
     
    8
    		BeO
     
    16
    Related Minerals - Hey's Index Grouping:

    - +
    24.1.2Cetineite
    (K,Na)
     
    6
    		[Sb
     
    2
    		O
     
    3
    		]
     
    6
    		[SbS
     
    3
    		]
     
    2
    		[(H
     
    2
    		O)
     
    6-x
    		(OH)
     
    x
    		] (x = 0.5)
    24.1.3Partzite
    Cu
     
    2
    		Sb
     
    2
    		(O,OH)
     
    7
    24.1.4Cualstibite
    Cu
     
    2
    		Al[(OH)
     
    6
    		|Sb
    5+
     
    		(OH)
     
    6
    		]
    24.1.5Stetefeldtite
    Ag
     
    2
    		Sb
     
    2
    		(O,OH)
     
    7

    Other Names for Mopungite

    Synonyms:
    IMA1982-020
    Other Languages:
    German:Mopungit
    Russian:Мопунгит
    Spanish:Mopungita

    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 Mopungite

    Reference List:Williams, S. A. (1985): Mopungite, a new mineral from Nevada. Mineralogical Record: 16: 73-74.

    American Mineralogist (1985): 70: 1330.

    Articles/Blogs about Mopungite

    Internet Links for Mopungite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Mopungite in the Natural History Museum (London) online catalogue
  • Mopungite details from Handbook of Mineralogy (PDF)
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    Localities for Mopungite

    Hide Locality List
    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.
    China
     
    • Guizhou Province
      • Qianxi'nan Autonomous Prefecture
        • Qinglong Co.
    		Mineralogical Record (2007) 38(1/2), 77-81.
    Italy
     
    • Tuscany
      • Grosseto Province
        • Civitella Paganico
          • Casal di Pari
    		Brizzi G., Meli R., 1990. La miniera della Selva (Casal di Pari-GR). Rivista Mineralogica Italiana, 14 (4): 225-239.
        • Manciano
    		AA. VV., 1996. Collezionare minerali. Hobby & Work.
        • Scansano
          • Pereta
    		Marzoni Fecia di Cossato Y., Meacci C., Orlandi P. Vezzalini G. (1987): The second world occurrence of mopungite from the Pereta mine Tuscany Italy. Atti Soc. Tosc. Sc. Nat., Mem. serie A, 94, 125-138.
      • Siena Province
        • Chiusdino
    		Brizzi G., Ciselli I, Santucci A. (1988) - Cetineite ed altre novità dalle Cetine di Cotorniano - Riv. Miner. Ital., Milano, fasc. 3, pp.73-82
    USA
     
    • Nevada
      • Churchill Co.
        • Lake District
    		Williams, S. A. (1985): Mopungite, a new mineral from Nevada. Mineralogical Record 16, 73-74; NBMG Spec. Pub. 31 Minerals of Nevada
    Mineral and/or Locality
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