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Bellbergite

Big Photo

Ettringer Bellerberg Mt., Ettringen, Mayen, Eifel Mts, Rhineland-Palatinate, Germany
© Fred Kruijen

Show Bellbergite Photos (5)
Formula:
(K,Ba,Sr)
 
2
Sr
 
2
Ca
 
2
(Ca,Na)
 
4
[Al
 
3
Si
 
3
O
 
12
]
 
6
 · 30H
 
2
O
System:HexagonalColour:Colourless to white
Hardness:5
Name:Named after the type locality


Zeolite Group

Classification of Bellbergite

IMA status:Approved
Strunz 8th edition ID:8/J.26-95
Nickel-Strunz 10th (pending) edition ID:9.GD.20

9 : SILICATES (Germanates)
G : Tektosilicates with zeolitic H2O; zeolite family
D : Chains of 6-membered rings – tabular zeolites
Dana 7th edition ID:77.1.8.1
Dana 8th edition ID:77.1.8.1

77 : TECTOSILICATES Zeolites
1 : Zeolite group - True zeolites
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Type Occurrence of Bellbergite

Type Locality:Ettringer Bellerberg Mt., Ettringen, Mayen, Eifel Mts, Rhineland-Palatinate, Germany
Year of Discovery:1993

Physical Properties of Bellbergite

Lustre:Vitreous
Diaphaneity (Transparency):Transparent
Colour:Colourless to white
Streak:White
Hardness (Mohs):5
Cleavage:None Observed
Fracture:Conchoidal
Density (measured):2.2 g/cm3
Density (calculated):2.19 g/cm3

Crystallography of Bellbergite

Crystal System:Hexagonal
Cell Parameters:a = 13.24Å, c = 15.98Å
Ratio:a:c = 1 : 1.207
Unit Cell Volume:V 2 ų
Z:1

Optical Data of Bellbergite

Type:Uniaxial (-)
RI values: nω = 1.522 nε = 1.507
Maximum Birefringence:δ = 0.015

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

Chemical Properties of Bellbergite

Formula:
(K,Ba,Sr)
 
2
Sr
 
2
Ca
 
2
(Ca,Na)
 
4
[Al
 
3
Si
 
3
O
 
12
]
 
6
 · 30H
 
2
O
Essential elements:Al, Ca, K, O, Si, Sr
All elements listed in formula:Al, Ba, Ca, H, K, Na, O, Si, Sr

Relationship of Bellbergite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
9.GD.05Gmelinite-Ca
(Ca,Na
 
2
)[Al
 
2
Si
 
4
O
 
12
] · 6H
 
2
O
9.GD.05Gmelinite-K
(K
 
2
,Na
 
2
,Ca)[Al
 
2
Si
 
4
O
 
12
] · 6H
 
2
O
9.GD.05Gmelinite-Na
(Na
 
2
,Ca)[Al
 
2
Si
 
4
O
 
12
] · 6H
 
2
O
9.GD.10Willhendersonite
KCa[Al
 
3
Si
 
3
O
 
12
] · 5H
 
2
O
9.GD.10Chabazite-Ca
(Ca,K
 
2
,Na
 
2
)
 
2
[Al
 
2
Si
 
4
O
 
12
]
 
2
 · 12H
 
2
O
9.GD.10Chabazite-K
(K
 
2
,Ca,Na
 
2
,Sr,Mg)
 
2
[Al
 
2
Si
 
4
O
 
12
]
 
2
 · 12H
 
2
O
9.GD.10Chabazite-Na
(Na
 
2
,K
 
2
,Ca,Sr,Mg)
 
2
[Al
 
2
Si
 
4
O
 
12
]
 
2
 · 12H
 
2
O
9.GD.10Chabazite-Sr
Sr
 
2
[Al
 
2
Si
 
4
O
 
12
]
 
2
 · 12H
 
2
O
9.GD.15Lévyne-Ca
(Ca,Na
 
2
,K
 
2
)[Al
 
2
Si
 
4
O
 
12
] · 6H
 
2
O
9.GD.15Lévyne-Na
(Na
 
2
,Ca,K
 
2
)[Al
 
2
Si
 
4
O
 
12
] · 6H
 
2
O
9.GD.20Erionite-Ca
(Ca,K
 
2
,Na
 
2
)
 
2
[Al
 
4
Si
 
14
O
 
36
] · 15H
 
2
O
9.GD.20Erionite-K
(K
 
2
,Ca,Na
 
2
)
 
2
[Al
 
4
Si
 
14
O
 
36
] · 15H
 
2
O
9.GD.20Erionite-Na
(Na
 
2
,K
 
2
,Ca)
 
2
[Al
 
4
Si
 
14
O
 
36
] · 15H
 
2
O
9.GD.25Offretite
KCaMgAl
 
5
Si
 
13
O
 
36
·16H
 
2
O or near
9.GD.25Wenkite
(Ba,K)
 
4
(Ca,Na)
 
6
[(SO
 
4
)
 
3
|(Si,Al)
 
20
O
 
39
(OH)
 
2
] · 0.5H
 
2
O
9.GD.30Faujasite-Ca
(Ca,Na
 
2
,Mg)
 
3.5
[Al
 
7
Si
 
17
O
 
48
] · 32H
 
2
O
9.GD.30Faujasite-Mg
(Mg,Na
 
2
,Ca)
 
3.5
[Al
 
7
Si
 
17
O
 
48
] · 32H
 
2
O
9.GD.30Faujasite-Na
(Na
 
2
,Ca,Mg)
 
3.5
[Al
 
7
Si
 
17
O
 
48
] · 32H
 
2
O
9.GD.35Maricopaite
Pb
 
7
Ca
 
2
(Si,Al)
 
48
O
 
100
·32H
 
2
O
9.GD.35Mordenite
(Na
 
2
,Ca,K
 
2
)Al
 
2
Si
 
10
O
 
24
·7H
 
2
O
9.GD.40Dachiardite-Ca
(Ca,Na
 
2
,K
 
2
)
 
5
Al
 
10
Si
 
38
O
 
96
·25H
 
2
O
9.GD.40Dachiardite-Na
(Na
 
2
,Ca,K
 
2
)
 
5
Al
 
10
Si
 
38
O
 
96
·25H
 
2
O
9.GD.45Epistilbite
CaAl
 
2
Si
 
6
O
 
16
·5H
 
2
O
9.GD.50Ferrierite-K
(K
 
2
,Na
 
2
,Mg,Ca)
 
3-5
Mg[Al
 
5-7
Si
 
27.5-31
O
 
72
]·18H
 
2
O
9.GD.50Ferrierite-Mg
(Mg,Na
 
2
,K
 
2
,Ca)
 
3-5
Mg[Al
 
5-7
Si
 
27.5-31
O
 
72
]·18H
 
2
O
9.GD.50Ferrierite-Na
(Na
 
2
,K
 
2
,Mg,Ca)
 
3-5
Mg[Al
 
5-7
Si
 
27.5-31
O
 
72
]·18H
 
2
O
9.GD.55Bikitaite
LiAlSi
 
2
O
 
6
·H
 
2
O
Related Minerals - Dana Grouping):

- +
77.1.8.2Tschernichite
(Ca,Na
 
2
)[Al
 
2
Si
 
4
O
 
12
] · 4-8H
 
2
O

Other Names for Bellbergite

Synonyms:
IMA1990-057
Other Languages:
German:Bellbergit
Spanish:Bellbergita

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 Bellbergite

Reference List:New Mins. (1997), New Minerals 1990-1994.

Mineralogical Record: 30: 5-6.

Rüdinger, B.; Tillmanns, E., Hentschel, G., (1993): Bellbergite – a New Mineral with the Zeolite Structure Type EAB
Mineralogy and Petrology 48, 147-152.

Articles/Blogs about Bellbergite

Internet Links for Bellbergite

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    Localities for Bellbergite

    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.
    Bolivia
     
    • Cochabamba Department
      • Ayopaya Province
    		Schultz, F. et al. (2004) Contrib. Mineral. Petrol., 148, 391-408.
    Germany
     
    • Rhineland-Palatinate
      • Eifel Mts
        • Mayen
          • Ettringen
    		Min.Petr.(1993) 48, 147-152
    Mineral and/or Locality
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