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Calcybeborosilite-(Y)

Big Photo

Dara-i-Pioz Glacier, Alayskiy (Alai) Range, Tien Shan Mts, Region of Republican Subordination, Tajikistan
© Pavel M. Kartashov

Show Calcybeborosilite-(Y) Photos (2)
Formula:
(Y,Ca)
 
2
(B,Be)
 
2
[SiO
 
4
]
 
2
(OH,O)
 
2
System:Monoclinic
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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Crystallography of Calcybeborosilite-(Y)

Crystal System:Monoclinic

Chemical Properties of Calcybeborosilite-(Y)

Formula:
(Y,Ca)
 
2
(B,Be)
 
2
[SiO
 
4
]
 
2
(OH,O)
 
2
Essential elements:B, H, O, Si, Y
All elements listed in formula:B, Be, Ca, H, O, Si, Y

Relationship of Calcybeborosilite-(Y) to other Species

Related Minerals - Nickel-Strunz Grouping):
9.AJ.05Grandidierite
(Mg,Fe
2+
 
)(Al,Fe
3+
 
)
 
3
[O
 
2
|BO
 
3
|SiO
 
4
]
9.AJ.05Ominelite
(Fe
2+
 
,Mg)(Al,Fe
3+
 
)
 
3
[O
 
2
|BO
 
3
|SiO
 
4
]
9.AJ.10Dumortierite
(Al,Fe
3+
 
)
 
7
[O
 
3
|BO
 
3
|(SiO
 
4
)
 
3
]
9.AJ.10Holtite
(Ta,Sb)Al
 
6
[O
 
3
|BO
 
3
|(SiO
 
4
)
 
3
]
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
B
 
4
[(OH)
 
4
|HBO
 
4
|(SiO
 
4
)
 
3
]
9.AJ.20Datolite
CaB[OH|SiO
 
4
]
9.AJ.20Gadolinite-(Ce)
(Ce,La,Nd,Y)
 
2
Fe
2+
 
Be
 
2
[O|SiO
 
4
]
 
2
9.AJ.20Gadolinite-(Y)
Y
 
2
Fe
2+
 
Be
 
2
[O|SiO
 
4
]
 
2
9.AJ.20Hingganite-(Ce)
Ce
 
2
□Be
 
2
Si
 
2
O
 
8
(OH)
 
2
9.AJ.20Hingganite-(Y)
(Y,Yb,Er)Be[OH|SiO
 
4
]
9.AJ.20Hingganite-(Yb)
(Yb,Y)Be[OH|SiO
 
4
]
9.AJ.20Homilite
Ca
 
2
(Fe
2+
 
,Mg)B
 
2
[O|SiO
 
4
]
 
2
9.AJ.20Melanocerite-(Ce)
(Ce,Ca)
 
5
(Si,B)
 
3
O
 
12
(OH,F)·nH
 
2
O
9.AJ.20Minasgeraisite-(Y)
Y
 
2
CaBe
 
2
[O|SiO
 
4
]
 
2
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.35IMA2008-007
(Y,REE,Ca,Na,Mn)
 
15
Fe
2+
 
Ca(P,Si)Si
 
6
B
 
3
(O,F)
 
48
9.AJ.40Jadarite
LiNaSiB
 
3
O
 
7
(OH)

Other Names for Calcybeborosilite-(Y)

Synonyms:
Calcybeborosilite
German names:
Calcybeborosilit
Russian names:
Кальцибеборсилит-(Y)
Spanish names:
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).

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    Localities for Calcybeborosilite-(Y)

    (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 Mts
        • Alayskiy (Alai) Range
    		http://www.koeln.netsurf.de/~w.steffens/dara.htm
    Mineral and/or Locality
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