Hambergite Mineral Data

Hambergite Mineral Data
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General Hambergite Information

Help on Chemical Formula: Chemical Formula: Be2BO3(OH)
Help on Composition: Composition: Molecular Weight = 93.84 gm
   Beryllium  19.21 %  Be   53.31 % BeO
   Boron      11.52 %  B    37.09 % B2O3
   Hydrogen    1.07 %  H     9.60 % H2O
   Oxygen     68.20 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Be2(BO3)(OH)
Help on Environment: Environment: Accessory mineral in granite pegmatites.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1890
Help on Locality: Locality: Helgeroa, Langesundsfjord, Norway. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Axel Hamberg (1863-1933), Swedish mineralogist and geographer.
Help on Name Pronunciation: Name Pronunciation: Hambergite + Pronunciation Say HAMBERGITE
Help on Synonym: Synonym: ICSD 81591
  PDF 17-475
 

Hambergite Image

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Hambergite

Comments: Clear colorless prismatic crystal of hambergite.
Location: Imalo, near Mania, Madagascar. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Hambergite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.798:1:0.3622
Help on Cell Dimensions: Cell Dimensions: a = 9.76, b = 12.23, c = 4.43, Z = 8; V = 528.79 Den(Calc)= 2.36
Help on Crystal System: Crystal System: Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: P bca
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.82(1), 3.13(0.9), 4.53(0.8),
Help on Forms: Forms:

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Forms: ( 0 1 0) ( 0 2 1) ( 1 1 0) ( 1 0 0)

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Click Here for Large Hambergite Structure Window Crystal Structure:

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Burns P C , Novak M , Hawthorne F C , The Canadian Mineralogist , 33 (1995) p.1205-1213, Fluorine-hydroxyl variation in hambergite: A crystal-structure study, Note: sample HM1, Locality: Himalaya mine, California, USA

View Additional jPOWD Structure files for Hambergite
[1] [2] [3] [4]
 

Physical Properties of Hambergite

Help on Cleavage: Cleavage: {010} Perfect, {100} Good
Help on Color: Color: Colorless, Gray white, Yellowish white, White.
Help on Density: Density: 2.372
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Hardness: Hardness: 7.5 - Garnet
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Vitreous - Dull
Help on Streak: Streak: white
 

Optical Properties of Hambergite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.035 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= -0.04 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.25,KPDmeas= 0.2487,KC= 0.2403
Ncalc = 1.57
Help on Optical Data: Optical Data: Biaxial (+), a=1.55, b=1.59, g=1.63, bire=0.0800
Help on Pleochroism (x): Pleochroism (x): colorless.
Help on Pleochroism (y): Pleochroism (y): colorless.
Help on Pleochroism (z): Pleochroism (z): colorless.
 

Calculated Properties of Hambergite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.33 gm/cc
note: Specific Gravity of Hambergite =2.37 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.21
Boson Index = 0.79
Help on Photoelectric: Photoelectric: PEHambergite = 0.33 barns/electron
U=PEHambergite x rElectron Density= 0.76 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Hambergite is Not Radioactive
 

Hambergite Classification
Help on Dana Class: Dana Class: 25.01.01.01 (25)Anhydrous Borates Containing Hydroxyl or Halogen
  (25.01)Dana Type
  (25.01.01)Dana Group
 
25.01.01.01 Hambergite Be2BO3(OH) P bca 2/m 2/m 2/m
Help on Strunz Class: Strunz Class: 06.AB.05 06 - BORATES
  06.A - Monoborates
  06.AB -BO3, with additional anions; 1(D) + OH, etc.
 
06.AB.05 Hambergite Be2BO3(OH) P bca 2/m 2/m 2/m
 

Other Hambergite 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 Hambergite :
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 - Tradeshop.com - The Rainbow of Gems
16 - WWW-MINCRYST

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

Hambergite

Be2BO3(OH)
Dana No: 25.01.01.01 Strunz No: 06.AB.05
Locality:

 

Notes: