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Ferri-tschermakite

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Formula:
☐{Ca
 
2
}{Mg
 
3
Fe
3+
2
}(Al
 
2
Si
 
6
O
 
22
)(OH)
 
2
Ferri-tschermakite is defined as a tschermakite group member with the following dominant elements:
C position: Mg as the dominant divalent cation and Fe as the dominant trivalent cation.
W position: (OH) as the dominant anion
System:MonoclinicHardness:5 - 6
Member of:Tschermakite Root Name Group > Calcium Amphibole Subgroup > w(OH, F, Cl)-dominant Amphibole Group > Amphibole Supergroup
This page provides mineralogical data about Ferri-tschermakite.

Classification of Ferri-tschermakite

IMA status:Approved
Strunz 8th edition ID:8/F.10-77
Nickel-Strunz 10th (pending) edition ID:9.DE.10

9 : SILICATES (Germanates)
D : Inosilicates
E : Inosilicates with 2-periodic double chains, Si4O11; Clinoamphiboles
Hey's CIM Ref.:16.21.5

16 : Silicates Containing Aluminum and other Metals
21 : Aluminosilicates of Fe and Ca
mindat.org URL:http://www.mindat.org/min-1503.html
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Physical Properties of Ferri-tschermakite

Hardness (Mohs):5 - 6

Crystallography of Ferri-tschermakite

Crystal System:Monoclinic

Chemical Properties of Ferri-tschermakite

Formula:
☐{Ca
 
2
}{Mg
 
3
Fe
3+
2
}(Al
 
2
Si
 
6
O
 
22
)(OH)
 
2


Ferri-tschermakite is defined as a tschermakite group member with the following dominant elements:
C position: Mg as the dominant divalent cation and Fe as the dominant trivalent cation.
W position: (OH) as the dominant anion
Simplified for copy/paste:☐{Ca2}{Mg3Fe3+2}(Al2Si6O22)(OH)2
Essential elements:Al, Ca, Fe, H, Mg, O, Si
All elements listed in formula:Al, Ca, Fe, H, Mg, O, Si

Relationship of Ferri-tschermakite to other Species

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

- +
Ferri-fluoro-tschermakite
☐{Ca
 
2
}{Mg
 
3
Fe
3+
2
}(Al
 
2
Si
 
6
O
 
22
)F
 
2
Ferro-ferri-fluoro-tschermakite
☐{Ca
 
2
}{Fe
2+
3
Fe
3+
2
}(Al
 
2
Si
 
6
O
 
22
)F
 
2
Ferro-Ferri-tschermakite
☐{Ca
 
2
}{Fe
2+
3
Fe
3+
2
}(Al
 
2
Si
 
6
O
 
22
)(OH)
 
2
Ferro-fluoro-tschermakite
☐{Ca
 
2
}{Fe
2+
3
Al
2
}
(Al
 
2
Si
 
6
O
 
22
)F
 
2
Ferro-tschermakite
☐{Ca
 
2
}{Fe
2+
3
Al
 
2
}(Al
 
2
Si
 
6
O
 
22
)(OH)
 
2
Fluoro-tschermakite
☐{Ca
 
2
}{Mg
 
3
Al
 
2
}(Al
 
2
Si
 
6
O
 
22
)F
 
2
Tschermakite
☐(Ca
 
2
)(Mg
 
3
Al
 
2
)(Al
 
2
Si
 
6
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 Root Name
☐{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.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.10Fluoro-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-ferri-eckermannite
[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
Na
 
0.5
{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
(Fe
2+
2
Al
 
2
Li)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:

- +
16.21.1Esseneite
CaFe
3+
 
[AlSiO
 
6
]
16.21.2Epidote
{Ca
 
2
}{Al
 
2
Fe
3+
 
}(Si
 
2
O
 
7
)(SiO
 
4
)O(OH)
16.21.3Ferro-tschermakite
☐{Ca
 
2
}{Fe
2+
3
Al
 
2
}(Al
 
2
Si
 
6
O
 
22
)(OH)
 
2
16.21.4Ferro-aluminotschermakite
☐{Ca
 
2
}{Fe
2+
3
Al
 
2
}(Al
 
2
Si
 
6
O
 
22
)(OH)
 
2
16.21.6Ferro-Ferri-tschermakite
☐{Ca
 
2
}{Fe
2+
3
Fe
3+
2
}(Al
 
2
Si
 
6
O
 
22
)(OH)
 
2
16.21.7Alumino-ferro-hornblende
☐{Ca
 
2
}{Fe
2+
4
Al}(AlSi
 
7
O
 
22
)(OH)
 
2
16.21.8Pumpellyite-(Fe2+)
Ca
 
2
Fe
2+
 
Al
 
2
(Si
 
2
O
 
7
)(SiO
 
4
)(OH)
 
2
· H
 
2
O
16.21.8Pumpellyite-(Fe3+)
Ca
 
2
(Fe
3+
 
,Mg,Fe
2+
 
)(Al,Fe
3+
 
)
 
2
(Si
 
2
O
 
7
)(SiO
 
4
)(OH,O)
 
2
· H
 
2
O

Other Names for Ferri-tschermakite

Other Languages:
German:Ferritschermakit
Spanish:Ferritschermakita

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 Ferri-tschermakite

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 Ferri-tschermakite

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  • Localities for Ferri-tschermakite

    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.
    Argentina
     
    • San Luis
    Mineralogy and Petrology (2000) 68: 85-114
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • South Bohemia Region
        • Tábor
    Vrána, Stanislav (2011): Manganese-rich garnet–quartz rocks and gneisses in the Bohemian part of the Moldanubian Zone: lithostratigraphic markers. Journal of Geosciences, vol 56 pp 359–374 
    Germany
     
    • Saxony
      • Erzgebirge
        • Niederschlag-Bärenstein District
          • Jöhstadt
    Gunnar Farber
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