Calciborite Mineral Data

Calciborite Mineral Data
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General Calciborite Information

Help on Chemical Formula: Chemical Formula: CaB2O4
Help on Composition: Composition: Molecular Weight = 125.70 gm
   Calcium  31.88 %  Ca   44.61 % CaO
   Boron    17.20 %  B    55.39 % B2O3
   Oxygen   50.91 %  O
           ______        ______ 
           100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: CaB2O4
Help on Environment: Environment: Drillcore into a contact metasomatized limestone near a quartz diorite intrusion associated with a copper deposit in skarn.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1956
Help on Locality: Locality: Novofrolovskoye copper deposit, near Krasnoturinsk, Turinsk district, Northern Ural Mountains, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the essential chemical components, CALCIum and BORon.
Help on Name Pronunciation: Name Pronunciation: Calciborite + Pronunciation Say CALCIBORITE
Help on Synonym: Synonym: ICSD 20097
  PDF 27-67
 

Calciborite Image

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Calciborite

Comments: Translucent colorless crystalline calciborite.
Location: Novofrolovskoye, Sverdlovsk District, Northern Urals, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Calciborite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.6068:1:0.362
Help on Cell Dimensions: Cell Dimensions: a = 8.38, b = 13.81, c = 5, Z = 8; V = 578.64 Den(Calc)= 2.89
Help on Crystal System: Crystal System: Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: Pccn
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 1.867(1), 3.445(1), 1.97(0.9),
Click Here for Large Calciborite Structure Window Crystal Structure:

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Shashkin D N , Simonov M A , Belov N V , Doklady Akademii Nauk SSSR , 195 (1970) p.345-348, Crystal structure of calciborite CaB2O4=Ca2[BO3BO]2

 

Physical Properties of Calciborite

Help on Cleavage: Cleavage: None
Help on Color: Color: White.
Help on Density: Density: 2.878
Help on Fracture: Fracture: Conchoidal - Uneven - Uneven fracture producing small, conchoidal fragments.
Help on Hardness: Hardness: 3.5 - Copper Penny
Help on Streak: Streak: white
 

Optical Properties of Calciborite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.045 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= -0.04 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2213,KPDmeas= 0.2223,KC= 0.2128
Ncalc = 1.61
Help on Optical Data: Optical Data: Biaxial (-), a=1.595, b=1.654, g=1.67, bire=0.0750, 2V(Calc)=52, 2V(Meas)=54.
 

Calculated Properties of Calciborite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.85 gm/cc
note: Specific Gravity of Calciborite =2.89 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.03
Boson Index = 0.97
Help on Photoelectric: Photoelectric: PECalciborite = 4.14 barns/electron
U=PECalciborite x rElectron Density= 11.79 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Calciborite is Not Radioactive
 

Calciborite Classification
Help on Dana Class: Dana Class: 24.05.02.01 (24)Borates - Anhydrous
  (24.05)with miscellaneous formulae
  (24.05.02)Dana Group
 
24.05.02.01 Calciborite CaB2O4 Pccn 2/m 2/m 2/m
 
24.05.02.02 Santarosaite! CuB2O4 I 42d; 4 2m
Help on Strunz Class: Strunz Class: 06.BC.10 06 - BORATES
  06.B - Diborates
  06.BC -Ino-diborates with triangles and/or tetrahedra
 
06.BC.10 Aldzhanite* CaMgB2O4Cl•7(H2O)(?) Unk Ortho
 
06.BC.10 Calciborite CaB2O4 Pccn 2/m 2/m 2/m
 

Other Calciborite Information
Help on References: References: NAME( AntBidBlaNic5) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Calciborite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - WWW-MINCRYST

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Print or Cut-and-Paste your Calciborite Specimen Label here :

Calciborite

CaB2O4
Dana No: 24.05.02.01 Strunz No: 06.BC.10
Locality:

 

Notes: