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Bariumbannisterite

Formula:
(K,H
 
3
O)(Ba,Ca)(Mn
2+
 
,Fe
2+
 
,Mg)
 
21
(Si,Al)
 
32
O
 
80
(O,OH)
 
16
·4-12H
 
2
O
System:MonoclinicHardness:4
This page provides mineralogical data about Bariumbannisterite.

Classification of Bariumbannisterite

Strunz 8th edition ID:8/H.17-20

8 : Silicates
H : Phyllosilicates (layered), Tetragonal or pseudotetragonal layered structures [Si4O10]4- and others
17 : Stilpnomelane series
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Physical Properties of Bariumbannisterite

Hardness (Mohs):4
Cleavage:Perfect
Perfect

Crystallography of Bariumbannisterite

Crystal System:Monoclinic

Chemical Properties of Bariumbannisterite

Formula:
(K,H
 
3
O)(Ba,Ca)(Mn
2+
 
,Fe
2+
 
,Mg)
 
21
(Si,Al)
 
32
O
 
80
(O,OH)
 
16
·4-12H
 
2
O
Essential elements:Ba, H, K, Mn, O, Si
All elements listed in formula:Al, Ba, Ca, Fe, H, K, Mg, Mn, O, Si

Relationship of Bariumbannisterite to other Species

Related Minerals - Strunz Grouping):

- +
8/H.17-10Bannisterite
Ca
 
0.5
(K,Na)
 
0.5
(Mn,Fe,Zn)
 
10
(Si,Al)
 
16
O
 
38
(OH)
 
8
·5.5H
 
2
O
8/H.17-30Lennilenapeite
K
 
6-7
(Mg,Mn,Fe,Zn)
 
48
(Si,Al)
 
72
(O,OH)
 
216
·16H
 
2
O
8/H.17-40Stilpnomelane
(K,Ca,Na)(Fe
2+
 
,Mg,Al,Fe
3+
 
)
 
8
(Si,Al)
 
12
(O,OH)
 
36
· nH
 
2
O
8/H.17-45Franklinphilite
(K,Na)
 
4
(Mn,Zn,Mg,Fe)
 
48
(Si,Al)
 
72
(O,OH)
 
216
·6H
 
2
O
8/H.17-50Parsettensite
K
 
1.2
Mn
 
8
(Si,Al)
 
12
O
 
26
(OH)
 
10
8/H.17-55Middendorfite
K
 
3
Na
 
2
Mn
 
5
Si
 
12
(O,OH)
 
36
· 2H
 
2
O
8/H.17-60Ganophyllite
(K,Na,Ca)
 
2
Mn
 
8
(Si,Al)
 
12
(O,OH)
 
32
·8H
 
2
O
8/H.17-70Eggletonite
(Na,K,Ca)
 
2
(Mn,Fe)
 
8
(Si,Al)
 
12
O
 
29
(OH)
 
7
·11H
 
2
O

Other Names for Bariumbannisterite

Other Languages:
German:Bariumbannisterit
Spanish:Bariumbannisterita

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.

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