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Klöchite

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Formula:
(□Na)KFe
2+
2
Zn
 
3
(Si
 
12
O
 
30
)
System:HexagonalColour:Blue
Member of:Osumilite Group
Name:Named after the type locality, Klöch in Styria.


Osumilite Group.

Classification of Klöchite

IMA status:Approved 2007
mindat.org URL:http://www.mindat.org/min-35832.html
Please feel free to link to this page.

Type Occurrence of Klöchite

Type Locality:Basalt quarry, Klöch, Bad Radkersburg, Styria, Austria
General Appearance of Type Material:Small blue hexagonal plates.
Geological Setting of type material:In xenolith
Associated Minerals at type locality:
Mottramite

Physical Properties of Klöchite

Lustre:Vitreous
Colour:Blue

Crystallography of Klöchite

Crystal System:Hexagonal
Class (H-M):6/mmm (6/m 2/m 2/m) - Dihexagonal Dipyramidal
Space Group:P63/mmc {P63/m 2/m 2/c}
Cell Parameters:a = 10.120Å, c = 14.298Å
Ratio:a:c = 1 : 1.413
Unit Cell Volume:V 1,268.14 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction:
d-spacingIntensity
7.149 (100)
5.540 (43)
4.130 (40)
3.736 (70)
3.227 (67)
2.920 (40)
2.770 (68)
2.530 (43)

Optical Data of Klöchite

Type:Uniaxial
Pleochroism:Strong
Comments:Omega: dark blue; epsilon: pale yellow.

Chemical Properties of Klöchite

Formula:
(□Na)KFe
2+
2
Zn
 
3
(Si
 
12
O
 
30
)
Essential elements:Fe, K, Na, O, Si, Zn
All elements listed in formula:Fe, K, Na, O, Si, Zn

Relationship of Klöchite to other Species

Member of:Osumilite Group
Other Members of Group:

- +
Almarudite
K(□,Na)
 
2
(Mn
2+
 
,Fe
2+
 
,Mg)
 
2
(Be,Al)
 
3
[Si
 
12
O
 
30
]
Armenite
BaCa
 
2
Al
 
6
Si
 
9
O
 
30
 · 2H
 
2
O
Berezanskite
K□
 
2
Li
 
3
(Ti,Zr,Sn)
 
2
[Si
 
12
O
 
30
]
Brannockite
(K,Na)□
 
2
Li
 
3
(Sn,Zr,Ti)
 
2
[Si
 
12
O
 
30
]
Darapiosite
KNa
 
2
(Zn,Li)
 
3
(Mn,Zr)
 
2
[Si
 
12
O
 
30
]
Dusmatovite
K(Na,□)
 
2
(Zn,Li)
 
3
(Mn
2+
 
,Y,Zr)
 
2
[Si
 
12
O
 
30
]
Friedrichbeckeite
K(□
 
0.5
Na
 
0.5
)
 
2
Mg
 
2
Be
 
3
Si
 
12
O
 
30
Merrihueite
(K,Na)
 
2
(Fe,Mg)
 
5
Si
 
12
O
 
30
Milarite
K
 
2
Ca
 
4
Al
 
2
Be
 
4
Si
 
24
O
 
60
 · H
 
2
O
Osumilite
(K,Na)(Fe
2+
 
,Mg)
 
2
(Al,Fe
3+
 
)
 
3
(Si,Al)
 
12
O
 
30
Osumilite-(Mg)
KMg
 
2
Al
 
3
(Al
 
2
Si
 
10
)O
 
30
Roedderite
(Na,K)
 
2
(Mg,Fe)
 
5
Si
 
12
O
 
30
Shibkovite
K(□,K,Na)
 
2
Zn
 
3
Ca
 
2
[Si
 
12
O
 
30
]
Sogdianite
K(□,Na)
 
2
Li
 
3
(Zr,Fe,Ti)
 
2
[Si
 
12
O
 
30
]
Sugilite
K(Na,□)
 
2
Li
 
3
(Fe,Mn,Al,Zr)
 
2
[Si
 
12
O
 
30
]
Trattnerite
(□,K)(Mg, Fe
2+
 
)
 
3
Fe
3+
2
[Si
 
12
O
 
30
]
Yagiite
(Na,K)
 
3
Mg
 
4
(Al,Mg)
 
6
(Si,Al)
 
24
O
 
60

Other Names for Klöchite

Synonyms:
IMA2007-054
Other Languages:
Arabic:Klöchite
German:Klöchit

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 Klöchite

Reference List:

- +
IMA website - Proposals approved in February 2008

Walter, F. (2009): Der Steirische Mineralog, Jg. 18, H. 23, 8-13.

Internet Links for Klöchite

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    • Localities for Klöchite

    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.
    Austria
     
    • Styria
      • Bad Radkersburg
        • Klöch
    		IMA website - Proposals approved in February 2008
    Mineral and/or Locality
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