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Manganocummingtonite

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Scerscen Valley, Malenco Valley, Sondrio Province, Lombardy, Italy
© R. Bracco

Show Manganocummingtonite Photos (12)



Formula:
☐{Mn
2+
2
}{Mg
 
5
}(Si
 
8
O
 
22
)(OH)
 
2
System:MonoclinicColour:nd
Lustre:VitreousHardness:5 - 6
Member of:Magnesium-iron-manganese Amphibole Subgroup > w(OH, F, Cl)-dominant Amphibole Group > Amphibole Supergroup
Name:Named in allusion to its composition, containing MANGANese, and its relationship to Cummingtonite.

In order to better distinguish between amphibole end-member member compositions, the CNMNC has decided to rename manganocummingtonite. The name is not yet (Nov 2012) decided.


Amphibole Group. Mg-Fe-Mn-Li Clino-Amphibole Subgroup.

Classification of Manganocummingtonite

IMA status:Approved
Strunz 8th edition ID:8/F.07-40
Nickel-Strunz 10th (pending) edition ID:9.DE.05

9 : SILICATES (Germanates)
D : Inosilicates
E : Inosilicates with 2-periodic double chains, Si4O11; Clinoamphiboles
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Type Occurrence of Manganocummingtonite

Type Locality:Tirodi Mine, Tirodi, Balaghat District, Madhya Pradesh, India

Physical Properties of Manganocummingtonite

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

Crystallography of Manganocummingtonite

Crystal System:Monoclinic

Optical Data of Manganocummingtonite

Type:Biaxial (+)
RI values: nα = 1.630 - 1.638 nβ = 1.644 - 1.651 nγ = 1.652 - 1.665
Maximum Birefringence:δ = 0.022 - 0.027

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

Chemical Properties of Manganocummingtonite

Formula:
☐{Mn
2+
2
}{Mg
 
5
}(Si
 
8
O
 
22
)(OH)
 
2
Essential elements:H, Mg, Mn, O, Si
All elements listed in formula:H, Mg, Mn, O, Si

Relationship of Manganocummingtonite to other Species

Member of:Magnesium-iron-manganese Amphibole Subgroup > w(OH, F, Cl)-dominant Amphibole Group > Amphibole Supergroup
Other Members of Group:

- +
Anthophyllite Group
☐{X
 
2
}{Z
 
5
}(Si
 
8
O
 
22
)(OH)
 
2
Cummingtonite
☐{Mg
 
2
}{Mg
 
5
}(Si
 
8
O
 
22
)(OH)
 
2
Gedrite Group
☐{X
2+
2
}{Z
2+
3
Z
3+
2
}(Al
 
2
Si
 
6
O
 
22
)(OH)
 
2
Grunerite
☐{Fe
2+
2
}{Fe
2+
5
}(Si
 
8
O
 
22
)(OH)
 
2
Manganogrunerite
☐{Mn
2+
2
}{Fe
2+
5
}(Si
 
8
O
 
22
)(OH)
 
2
Sodic-ferro-anthophyllite
{Na}{Fe
2+
2
}{Fe
2+
5
}(AlSi
 
7
O
 
22
)(OH)
 
2
Sodic-ferrogedrite
{Na}{Fe
2+
2
}{Fe
2+
3
Al
 
2
}(Al
 
3
Si
 
5
O
 
22
)(OH)
 
2
Sodicanthophyllite
{Na}{Mg
 
2
}{Mg
 
5
}(AlSi
 
7
O
 
22
)(OH)
 
2
Sodicgedrite
{Na}{Mg
 
2
}{Mg
 
3
Al
 
2
}(Al
 
3
Si
 
5
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.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-eckermannite
NaNa
 
2
(Fe
2+
 
,
 
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

Other Names for Manganocummingtonite

Synonyms:
AbsbeferritAbsbeferriteMangano-anthophyllite
Other Languages:
German:Manganocummingtonit
Tirodit
Russian:Манганокуммингтонит
Simplified Chinese:镁锰闪石
锰直闪石
锰镁闪石
Spanish:Manganocummingtonita
Tirodita

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 Manganocummingtonite

Reference List:

- +
Mineralogical Record: 29: 169-174.

American Mineralogist (1997): 82: 1024-1025.

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

Best Localities for Manganocummingtonite

Best of Species:Manganocummingtonite

Internet Links for Manganocummingtonite

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    • Localities for Manganocummingtonite

    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.
    Australia
     
    • New South Wales
      • Yancowinna Co.
    		Birch
    Austria
     
    • Styria
      • Köflach
        • Voitsberg
          • Kleinwöllmiß
    		Bernhard, F. (2011)
      • Koralpe
        • Deutschlandsberg
          • Glashütten
    		quantitative SEM-EDS on polished section, Franz Bernhard, 2007
        • Soboth
          • Untersoboth
    		Bernhard, F. (2009)
      • Neumarkt
        • Dürnstein
    		quantitative SEM-EDS on polished section, Franz Bernhard, 2007
    Canada
     
    • Newfoundland and Labrador
      • Labrador
    		Can. Min. 7, 738
    China
     
    • Hunan Province
      • Yiyang Prefecture
        • Heshan District
    		Jiuling Zhang (1982): Geology and Prospecting 18(2), 26-40
    • Jiangxi Province
      • Jingdezhen Prefecture
        • Leping Co.
    		Jiuling Zhang (1982): Geology and Prospecting 18(2), 26-40
    • Liaoning Province (Manchuria; Dongbei Region)
      • Huludao Prefecture
        • Jianchang Co.
          • Bajiazi Zn-Pb-Ag deposit
    		Yiming Zhao, Yongguan Dong, Daxin Li, and Chengsi Bi (2003): Ore Geology Reviews 23, 153-182.
    Yiming Zhao, Yongguan Dong, Daxin Li, and Chengsi Bi (2003): Ore Geology Reviews 23, 153-182.
    Yiming Zhao, Yongguan Dong, Daxin Li, and Chengsi Bi (2003): Ore Geology Reviews 23, 153-182.
    Yiming Zhao, Yongguan Dong, Daxin Li, and Chengsi Bi (2003): Ore Geology Reviews 23, 153-182.
    • Shaanxi Province
      • Ankang Prefecture
        • Ziyang Co.
    		Pingyi Wan (2002): China's Manganese Industry 20(3), 1-6
      • Hanzhong Prefecture
        • Xixiang Co.
    		Pingyi Wan (2002): China's Manganese Industry 20(3), 1-6
        • Zhenba Co.
    		Pingyi Wan (2002): China's Manganese Industry 20(3), 1-6
    • Sichuan Province
      • Dazhou Prefecture
        • Wanyuan Co.
    		Pingyi Wan (2002): China's Manganese Industry 20(3), 1-6
    Pingyi Wan (2002): China's Manganese Industry 20(3), 1-6
      • Mianyang Prefecture
        • Pingwu Co.
          • Mt Xuebaoding
            • Huya township
    		Jiuling Zhang (1982): Geology and Prospecting 18(2), 26-40
        • Youxian District
    		Jiuling Zhang (1982): Geology and Prospecting 18(2), 26-40
    • Yunnan Province
      • Honghe Autonomous Prefecture
        • Jianshui Co.
    		Jiuling Zhang (1982): Geology and Prospecting 18(2), 26-40
    Finland
     
    • Western and Inner Finland Region
      • Seinäjoki
    		No reference listed
    India
     
    • Karnataka
      • Kolar District
        • Kolar Gold Fields
    		Anantha Iyer, G.V. and Narayanan Kutty, T.R. (1975) Curr. Sci., 44, #11, 371-373.
    • Madhya Pradesh
      • Balaghat District
        • Tirodi
    		Dunn & Roy (1938); Am.Min.: 25: 380 (1940); Can.Min.: 15:309 (1977).
    Italy
     
    • Aosta Valley
      • Valtournanche Valley
        • Valtournanche
    		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.
    • Lombardy
      • Sondrio Province
    		Lapis, 19 (10), 15-21+86.
    • Tuscany
      • Lucca Province
        • Apuan Alps
    		Orlandi, P. & Campostrini, I. (2005): Zibaldone. Aggiornamenti di mineralogia italiana 2004. Rivista Mineralogica Italiana, 3/2005, 184-191
      • Massa-Carrara Province
        • Fivizzano
    		Mancini, S. (2000). Le mineralizzazioni a manganese delle Alpi Apuane. Tesi di laurea inedita, Università di Pisa.
    Japan
     
    • Honshu Island
      • Chubu Region
        • Aichi Prefecture
          • Kita-Shidara-gun
            • Shidara-cho
    		Yamada collection (Crystal World, Japan)
      • Kanto Region
        • Ibaraki Prefecture
          • Kasama City
            • Iwama
    		Nishikubo collection
      • Tohoku Region
        • Iwate Prefecture
          • Noda
    		Dr. Matsuo Nambu collection (curated at Geological Survey of Japan)
    • Kyushu Region
      • Miyazaki Prefecture
    		Fuzimoto, M. (2006): Manganese minerals from manganese mines, Takachiho district, Miyazaki Prefecture. Part 1. Shimozuru Mine. Chigaku Kenkyu 54, 213-221. (in Japanese)
    Namibia
     
    • Otjozondjupa Region
    		Lapis 33 (11), 12.
    Oman
     
    • Semail Ophiolite
      • Khawr Fakkan Massif
        • Bani Hamid area
    		Edwin Gnos, Thomas Armbruster, Daniel Nyfeler(1996): Kanoite,donpeacorite and tirodite:Mn-Mg-silicates from a manganiferous quartzite in the United Arab Emirates, European Journal of Mineralogi vol 8, pp. 251-261.
    Russia
     
    • Urals Region
      • Middle Urals
        • Sverdlovskaya Oblast'
          • Ekaterinburg (Sverdlovsk)
            • Kurganovo
    		Brusnitsyn A.I. (2000) Rhodonite deposits of Middle Ural, - S.-Peterburg Univercity press, p. 200 (in Rus.).
            • Sedel'nikovo
    		Brusnitsyn A.I. (2000) Rhodonite deposits of Middle Ural, - S.-Peterburg Univercity press, p. 200 (in Rus.).
    Slovakia
     
    • Košice Region
      • Gelnica Co.
    		Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k
    Spain
     
    • Catalonia
      • Tarragona
        • Priorat
          • El Molar
    		Mineralogistes de Catalunya, vol. III num. 5
    Sweden
     
    • Dalarna
      • Hedemora
        • Garpenberg
    		Can. Min. (2001) 39 (6), 1675-1683; American Mineralogist, Volume 88, pages 251–255, 2003
    Switzerland
     
    • Grischun (Grisons; Graubünden)
      • Hinterrhein Valley
        • Rheinwald
          • Splügen
    		Roth, P. & Meisser, N. (2011): I minerali dell'Alpe Tanatz. Passo dello Spluga (Grigioni, Svizzera). Rivista Mineralogica Italiana, 2/2011, 90-99
    • Wallis (Valais)
      • Turtmann Valley
        • Pipjitälli
    		The Canadian Mineralogist Vol. 44, pp. 000 (2006) page 205; Ansermet, S. (2012): Mines et minéraux du Valais - II. Anniviers et Tourtemagne. With contributions by N. Meisser, Ed. Porte-plumes (Ayer)
    USA
     
    • California
      • Kern Co.
        • Rand District
          • Randsburg
    		Hewett, Donnel Foster, Charles Wesley Chesterman & Bennie Wyatt Troxel (1961), Tephroite in California manganese deposits: Economic Geology: 56: 54; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 395.
    • Maine
      • Waldo Co.
    		Anderson, 1991. Maine Mineral Localities, 2nd ed.
    • Michigan
      • Marquette Co.
        • Marquette iron range
          • Champion
    		Mineralogy of Michigan (2004) Heinrich & Robinson
    • New Jersey
      • Sussex Co.
        • Franklin Mining District
    		Pete J. Dunn(1995): Franklin and Sterling Hill, New Jersey: the world’s most magnificent mineral deposits
    Klein, C. Jr. & Ito, J.: Am.Min.:53:1264-1275 (1968); Dunn, P.J. & Peacor, D.R.: Min.Mag.: 48:271-275 (1984); Dunn(1995):Pt3:458-459.
    www.franklinmineralmuseum.com
          • Ogdensburg
    		Pete J. Dunn(1995): Franklin and Sterling Hill, New Jersey: the world’s most magnificent mineral deposits
    Dunn(1995):Pt3:459.
    • New York
    		http://gsa.confex.com/gsa/2003NE/finalprogram/abstract_51113.htm
        • Balmat-Edwards Zinc District
          • Balmat
    		No reference listed
        • Talcville
    		George Robinson & Steven Chamberlain (2007) Gazetteer of major New York State mineral localities. Rocks & Minerals, 82, #6, 472-483; analysis by Hawkins at the NY State Museum; Ghose,S. and Hexiong, Y (1989): Mn-Mg distribution in a C2/m manganoan cummingtonite: Crystal-chemical considerations. American Mineralogist, 74, 1091-1096.
    • North Carolina
      • Alleghany Co.
        • Sparta
          • Bald Knob
    		Winter,A.Gary,Essene,J.Eric,and Pecor.R.Donald,1981,Carbonates and pyroxenoids from the manganese deposit near Bald Knob,North Carolina. America Mineralogist,Vol66,pg.278-289,1981,pg#279
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