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Calcybeborosilite-(Y)

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Formula:
(Y,Ca)
 
2
(□,Fe
2+
 
)(B,Be)
 
2
[SiO
 
4
]
 
2
(OH,O)
 
2
System:Monoclinic
Member of:Gadolinite-Datolite Group
Name:Named after it's composition of calcium, beryllium, boron and silicon.


Questionable member of the Gadolinite-Datolite Group.

Originally reported from Dara-i-Pioz Glacier, Alayskiy (Alai) Range, Tien Shan Mts, Region of Republican Subordination, Tajikistan.

Classification of Calcybeborosilite-(Y)

IMA status:Published without Approval 1996
Explanation of status:Unnamed Mineral A of Semenov et al. (1963); named by Povarennykh & Dusmatov (1970), but not approved by CNMMN. Levinson-type suffix added later in conformity with CNMMN policy. Probably = gadolinite-(Y).
Nickel-Strunz 10th (pending) edition ID:9.AJ.20

9 : SILICATES (Germanates)
A : Nesosilicates
J : Nesosilicates with BO3 triangles and/or B[4], Be[4] tetrahedra, cornersharing with SiO4
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Type Occurrence of Calcybeborosilite-(Y)

Type Locality:Darai-Pioz Glacier (Dara-i-Pioz; Dara-Pioz), Alai Range (Alayskiy), Tien Shan Mtn, Region of Republican Subordination, Tajikistan

Crystallography of Calcybeborosilite-(Y)

Crystal System:Monoclinic

Chemical Properties of Calcybeborosilite-(Y)

Formula:
(Y,Ca)
 
2
(□,Fe
2+
 
)(B,Be)
 
2
[SiO
 
4
]
 
2
(OH,O)
 
2
Simplified for copy/paste:(Y,Ca)2(□,Fe2+)(B,Be)2[SiO4]2(OH,O)2
Essential elements:B, H, O, Si, Y
All elements listed in formula:B, Be, Ca, Fe, H, O, Si, Y

Relationship of Calcybeborosilite-(Y) to other Species

Member of:Gadolinite-Datolite Group
Other Members of Group:

- +
Bakerite
Ca
 
4
(H
 
5
B
 
5
Si
 
3
O
 
20
)
Datolite
Ca(HBSiO
 
5
)
Gadolinite-(Ce)
(Ce,La,Nd,Y)
 
2
Fe
2+
 
Be
 
2
Si
 
2
O
 
10
Gadolinite-(Y)
Y
 
2
Fe
2+
 
Be
 
2
Si
 
2
O
 
10
Hingganite-(Ce)
(Ce,REE)
 
2
(□,Fe
2+
 
)Be
 
2
[SiO
 
4
]
 
2
(OH)
 
2
Hingganite-(Y)
(Y,REE,Ca)
 
2
(□,Fe
2+
 
)Be
 
2
[SiO
 
4
]
 
2
(OH)
 
2
Hingganite-(Yb)
(Yb,Y,REE)
 
2
□Be
 
2
[SiO
 
4
]
 
2
(OH)
 
2
Homilite
Ca
 
2
(Fe
2+
 
,Mg)B
 
2
Si
 
2
O
 
10
Minasgeraisite-(Y)
CaBe
 
2
Y
 
2
Si
 
2
O
 
10
Related Minerals - Nickel-Strunz Grouping):

- +
9.AJ.05Grandidierite
(Mg,Fe
2+
 
)(Al,Fe
3+
 
)
 
3
(SiO
 
4
)(BO
 
3
)O
 
2
9.AJ.05Ominelite
(Fe
2+
 
,Mg)(Al,Fe
3+
 
)
 
3
(SiO
 
4
)(BO
 
3
)O
 
2
9.AJ.10Dumortierite
(Al,Fe
3+
 
)
 
7
(SiO
 
4
)
 
3
(BO
 
3
)O
 
3
9.AJ.10Holtite
(Ta
 
0.6
 
0.4
)Al
 
6
BSi
 
3
O
 
18
(O,OH)
 
2.25
9.AJ.10Magnesiodumortierite
(Mg,Ti,◻(Al,Mg)
 
2
Al
 
4
Si
 
3
O
 
18-y
(OH)
 
y
B y = 2-3
9.AJ.15Garrelsite
Ba
 
3
NaSi
 
2
B
 
7
O
 
16
(OH)
 
4
9.AJ.20Bakerite
Ca
 
4
(H
 
5
B
 
5
Si
 
3
O
 
20
)
9.AJ.20Datolite
Ca(HBSiO
 
5
)
9.AJ.20Gadolinite-(Ce)
(Ce,La,Nd,Y)
 
2
Fe
2+
 
Be
 
2
Si
 
2
O
 
10
9.AJ.20Gadolinite-(Y)
Y
 
2
Fe
2+
 
Be
 
2
Si
 
2
O
 
10
9.AJ.20Hingganite-(Ce)
(Ce,REE)
 
2
(□,Fe
2+
 
)Be
 
2
[SiO
 
4
]
 
2
(OH)
 
2
9.AJ.20Hingganite-(Y)
(Y,REE,Ca)
 
2
(□,Fe
2+
 
)Be
 
2
[SiO
 
4
]
 
2
(OH)
 
2
9.AJ.20Hingganite-(Yb)
(Yb,Y,REE)
 
2
□Be
 
2
[SiO
 
4
]
 
2
(OH)
 
2
9.AJ.20Homilite
Ca
 
2
(Fe
2+
 
,Mg)B
 
2
Si
 
2
O
 
10
9.AJ.20Melanocerite-(Ce)
(Ce,Ca)
 
5
(Si,B)
 
3
O
 
12
(OH,F) · nH
 
2
O
9.AJ.20Minasgeraisite-(Y)
CaBe
 
2
Y
 
2
Si
 
2
O
 
10
9.AJ.25Stillwellite-(Ce)
(Ce,La,Ca)BSiO
 
5
9.AJ.30Cappelenite-(Y)
Ba(Y,Ce)
 
6
Si
 
3
B
 
6
O
 
24
F
 
2
9.AJ.35Okanoganite-(Y)
(Na,Ca)
 
3
(Y,Ce)
 
12
Si
 
6
B
 
2
O
 
27
F
 
14
9.AJ.35Vicanite-(Ce)
(Ca,Ce,La,Th)
 
15
As
5+
 
(As
3+
0.5
,Na
 
0.5
)Fe
3+
 
Si
 
6
B
 
4
O
 
40
F
 
7
9.AJ.35Hundholmenite-(Y)
(Y,REE,Ca,Na)
 
15
(Al,Fe
3+
 
)(Ca
 
x
As
3+
1-x
)(Si,As
5+
 
)Si
 
6
B
 
3
(O,F)
 
48
9.AJ.35Proshchenkoite-(Y)
Ca(Y,REE,Ca,Na,Mn)
 
15
Fe
2+
 
(P,Si)Si
 
6
B
 
3
O
 
34
F
 
14
9.AJ.40Jadarite
LiNaSiB
 
3
O
 
7
(OH)

Other Names for Calcybeborosilite-(Y)

Synonyms:
Calcybeborosilite
Other Languages:
German:Calcybeborosilit
Russian:Кальцибеборсилит-(Y)
Spanish:Calcybeborosilita

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 Calcybeborosilite-(Y)

Reference List:

- +
Soviet Physics - Crystallography 8 (1963), 539.

American Mineralogist 49 (1964), 443.

Mineralogical Magazine 39 (1974), 909.

Crystallography Reports 41 (1996), 217.

American Mineralogist 86 (2001), 1537.

Rastsvetaeva et al. (1996): Kristallografiya, 41, 2, 235-239.

Pekov, I. V. (1998): Minerals first discovered on the territory of the former Soviet Union. Ocean Pictures Ltd., Moscow, 369 pp. (page 53).

Internet Links for Calcybeborosilite-(Y)

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  • Localities for Calcybeborosilite-(Y)

    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.
    Tajikistan
     
    • Region of Republican Subordination
      • Tien Shan Mtn
        • Alai Range (Alayskiy)
    http://www.koeln.netsurf.de/~w.steffens/dara.htm; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow; Pautov L.A., Agakhanov A.A., Sokolova E.V., Hawthorne F., Karpenko V.Yu. (2011) Byzantievite, Ba5(Ca,REE,Y)22(Ti,Nb)18(SiO4)4[(PO4),(SiO4)]4(BO3)9O21[(OH),F]43(H2O)1.5, a new mineral. New Data on Minerals 46:5-12
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