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Calciborite

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Novofrolovskoye B-Cu deposit, Turjinsk, Turya river, Krasnoturjinsk (Bogolovsk; Krasnotur'insk; Krasnoturyinsk), Ekaterinburgskaya (Sverdlovskaya) Oblast', Middle Urals, Urals Region, Russia
© Maurice de Graaf

Show Calciborite Photos (2)



Formula:
Ca(B
 
2
O
 
4
)
System:Orthorhombic
Name:The name alludes to the composition, containing CALCIum and BORon.


Calcium Metaborate

Classification of Calciborite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:5/J.02-10
Nickel-Strunz 10th (pending) edition ID:6.BC.10

6 : BORATES
B : Diborates
C : Ino-diborates with triangles and/or tetrahedra
Dana 8th edition ID:24.5.2.1

24 : ANHYDROUS BORATES
5 : Miscellaneous
Hey's CIM Ref.:9.3.1

9 : Borates
3 : Borates of Ca and Sr
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Type Occurrence of Calciborite

Type Locality:Novofrolovskoye B-Cu deposit, Turjinsk, Turya river, Krasnoturjinsk (Bogolovsk; Krasnotur'insk; Krasnoturyinsk), Ekaterinburgskaya (Sverdlovskaya) Oblast', Middle Urals, Urals Region, Russia
Year of Discovery:1955

Crystallography of Calciborite

Crystal System:Orthorhombic
Cell Parameters:a = 8.38Å, b = 13.82Å, c = 5Å
Ratio:a:b:c = 0.606 : 1 : 0.362
Unit Cell Volume:V 579.06 ų (Calculated from Unit Cell)

Optical Data of Calciborite

Type:Biaxial (-)
RI values: nα = 1.595 nβ = 1.654 nγ = 1.670
2V:Measured: 54° , Calculated: 52°
Maximum Birefringence:δ = 0.075

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate
Dispersion:r > v or r < v

Chemical Properties of Calciborite

Formula:
Ca(B
 
2
O
 
4
)
Essential elements:B, Ca, O
All elements listed in formula:B, Ca, O

Relationship of Calciborite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
6.BC.15Vimsite
CaB
 
2
O
 
2
(OH)
 
4
6.BC.20Sibirskite
Ca
 
2
(HB
 
2
O
 
5
)(OH)
6.BC.20Parasibirskite
Ca
 
2
(B
 
2
O
 
5
) · H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
9.3.2Sibirskite
Ca
 
2
(HB
 
2
O
 
5
)(OH)
9.3.3Fabianite
CaB
 
3
O
 
5
OH
9.3.4Uralborite
Ca
 
2
[B
 
3
O
 
3
(OH)
 
5
 · OB(OH)
 
3
]
9.3.5Vimsite
CaB
 
2
O
 
2
(OH)
 
4
9.3.6Olshanskyite
Ca
 
3
[B(OH)
 
4
]
 
4
(OH)
 
2
9.3.7Frolovite
Ca[B(OH)
 
4
]
 
2
9.3.8Korzhinskite
Ca(B
 
2
O
 
4
) · H
 
2
O
9.3.9Tyretskite
Ca
 
2
B
 
5
O
 
9
OH · H
 
2
O
9.3.10Nifontovite
Ca(B
 
2
O
 
4
) · 2.3H
 
2
O
9.3.12Inyoite
Ca(H
 
4
B
 
3
O
 
7
)(OH) · 4H
 
2
O
9.3.13Gowerite
Ca[B
 
5
O
 
8
(OH)][B(OH)
 
3
] · 3H
 
2
O
9.3.14Colemanite
Ca[B
 
3
O
 
4
(OH)
 
3
] · H
 
2
O
9.3.15Pentahydroborite
CaB
 
2
O(OH)
 
6
 · 2H
 
2
O
9.3.16Hexahydroborite
Ca[B(OH)
 
4
]
 
2
 · 6H
 
2
O
9.3.17Meyerhofferite
Ca
 
2
(H
 
3
B
 
3
O
 
7
)
 
2
 · 4H
 
2
O
9.3.18Priceite
Ca
 
2
B
 
5
O
 
7
(OH)
 
5
 · H
 
2
O
9.3.19Ginorite
Ca
 
2
B
 
14
O
 
23
 · 8H
 
2
O
9.3.20Probertite
NaCaB
 
5
O
 
7
(OH)
 
4
 · 3H
 
2
O
9.3.21Ulexite
NaCa[B
 
5
O
 
6
(OH)
 
6
] · 5H
 
2
O
9.3.22Hydroboracite
CaMg[B
 
3
O
 
4
(OH)
 
3
]
 
2
 · 3H
 
2
O
9.3.23Inderborite
CaMg(H
 
3
B
 
3
O
 
7
)
 
2
 · 8H
 
2
O
9.3.24Wardsmithite
Ca
 
5
Mg[B
 
4
O
 
7
]
 
6
 · 30H
 
2
O
9.3.25Henmilite
Ca
 
2
Cu[B(OH)
 
4
]
 
2
(OH)
 
4
9.3.26Strontioborite
SrB
 
8
O
 
11
(OH)
 
4
9.3.27Veatchite
Sr
 
2
B
 
11
O
 
16
(OH)
 
5
 · H
 
2
O
9.3.28Veatchite-A
Sr
 
2
B
 
11
O
 
16
(OH)
 
5
 · H
 
2
O
9.3.29 P-Veatchite
9.3.30 Balavinskite
Sr
 
2
B
 
6
O
 
11
 · 4H
 
2
O
9.3.31Tunellite
SrB
 
6
O
 
9
(OH)
 
2
 · 3H
 
2
O
9.3.32Strontioginorite
(Sr,Ca)
 
2
B
 
14
O
 
23
 · 8H
 
2
O

Other Names for Calciborite

Other Languages:
German:Calciborit
Russian:Кальциборит
Spanish:Calciborita

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 Calciborite

Reference List:

- +
American Mineralogist (1956): 41: 815.

American Mineralogist (1964): 49: 820.

Soviet Physics – Doklady: 15: 1003-1005.

Grew, E.S., and Anovitz, L.M. (1996) BORON: Mineralogy, Petrology and Geochemistry, second edition, as revised (2002).

Internet Links for Calciborite

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    • Localities for Calciborite

    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.
    Russia
     
    • Urals Region
      • Middle Urals
        • Ekaterinburgskaya (Sverdlovskaya) Oblast'
          • Krasnoturjinsk (Bogolovsk; Krasnotur'insk; Krasnoturyinsk)
            • Turya river
              • Turjinsk
    		[AmMin 85:1322]; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
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    Copyright © Jolyon Ralph and Ida Chau 1993-2011. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 19th Jun 2011 00:58:32
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