Berborite Mineral Data (original) (raw)

General Berborite Information

Help on Chemical Formula: Chemical Formula:

Be2(BO3)(OH,F)•(H2O)

Help on Composition: Composition:

Molecular Weight = 112.35 gm

Beryllium 16.04 % Be 44.52 % BeO

Boron 9.62 % B 30.98 % B2O3

Hydrogen 2.47 % H 22.05 % H2O

Oxygen 67.64 % O

Fluorine 4.23 % F 4.23 % F

- % F -1.78 % -O=F2

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Help on Empirical Formula: Empirical Formula:

Be2(BO3)(OH)0.75F0.25•(H2O)

Help on Environment: Environment:

Serpentinized dolostone associated with W-Sr-B-Be-bearing skarns

Help on IMA Status: IMA Status:

Approved IMA 1967

Help on Locality: Locality:

Luppikko deposit, Pitk�aranta district, Lake Ladoga, Karelia, Russia. Link to MinDat.org Location Data.

Help on Name Origin: Name Origin:

Named for the BERyllium and BORate in the composition.

Help on Name Pronunciation: Name Pronunciation:

Berborite + Pronunciation Say BERBORITE

Berborite Image

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Berborite Crystallography

Help on Axial Ratios: Axial Ratios:

a:c = 1:2.39972

Help on Cell Dimensions: Cell Dimensions:

a = 4.433, c = 10.638, Z = 2; V = 181.04 Den(Calc)= 2.06

Help on Crystal System: Crystal System:

Hexagonal - PyramidalH-M Symbol (6) Space Group: P 63

Help on X Ray Diffraction: X Ray Diffraction:

By Intensity(I/Io): 2.656(1), 3.11(1), 5.3(1),

Click Here for Large Berborite Structure Window Crystal Structure:

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| | Schlatti M , Naturwissenschaften , 54 (1967) p.587-587, Synthese und strukturtyp des berylliumborates Be2BO3(OH)*H2O, Locality: synthetic View Additional jPOWD Structure files for Berborite [1] [2] [3] | | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |

Physical Properties of Berborite

Help on Cleavage: Cleavage:

{0001} Perfect

Help on Color: Color:

Colorless.

Help on Density: Density:

2.2

Help on Diaphaneity: Diaphaneity:

Transparent

Help on Fracture: Fracture:

Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern.

Help on Hardness: Hardness:

3 - Calcite

Help on Luster: Luster:

Vitreous (Glassy)

Help on Streak: Streak:

white

Optical Properties of Berborite

Help on Gladstone-Dale: Gladstone-Dale:

CI meas= 0.033 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= -0.032 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2585,KPDmeas= 0.242,KC= 0.2504
Ncalc = 1.52 - 1.55

Help on Optical Data: Optical Data:

Uniaxial (-), e=1.485, w=1.58, bire=0.0950.

Calculated Properties of Berborite

Help on Electron Density: Electron Density:

Bulk Density (Electron Density)=2.05 gm/cc
note: Specific Gravity of Berborite =2.06 gm/cc.

Help on Fermion Index: Fermion Index:

Fermion Index = 0.17
Boson Index = 0.83

Help on Photoelectric: Photoelectric:

PEBerborite = 0.34 barns/electron
U=PEBerborite x rElectron Density= 0.70 barns/cc.

Help on Radioactivity: Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Berborite is Not Radioactive

Berborite Classification

Help on Dana Class: Dana Class:

26.01.01.01 (26)Hydrated Borates Containing Hydroxyl or Halogen

(26.01)Dana Type

(26.01.01)Dana Group

26.01.01.01 Berborite Be2(BO3)(OH,F)•(H2O) P 63 6

Help on Strunz Class: Strunz Class:

06.AB.10 06 - BORATES

06.A - Monoborates

06.AB -BO3, with additional anions; 1(D) + OH, etc.

06.AB.10 Berborite Be2(BO3)(OH,F)•(H2O) P 63 6

Other Berborite 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 Berborite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - WWW-MINCRYST

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

Berborite

Be2(BO3)(OH,F)•(H2O)
Dana No: 26.01.01.01 Strunz No: 06.AB.10
Locality:

Notes: