Mineralogy Database

Behoite Mineral Data

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General Behoite Information

Help on Chemical  Formula: Chemical Formula: Be(OH)2
Help on Composition: Composition: Molecular Weight = 43.03 gm
   Beryllium  20.95 %  Be   58.13 % BeO
   Hydrogen    4.69 %  H    41.87 % H2O
   Oxygen     74.37 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Be(OH)2
Help on Environment: Environment: In granite pegmatite as a near-surface alteration product of gadolinite (Rode Ranch pegmatite, Texas, USA); in altered volcanic tuff (Honeycomb Hills, Utah, USA).
Help on IMA Status: IMA Status: Approved IMA 1970
Help on Locality: Locality: In the USA, from the Rode Ranch pegmatite, Llano Co., and the Clear Creek pegmatite, Brunett Co., Texas, and in the Honeycomb Hills, Juab Co., Utah. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Beryllium, Be, and hydroxyl, OH, in its composition.
Help on Name Pronunciation: Name Pronunciation: Behoite Say BEHOITE
Help on Synonym: Synonym: ICSD 25569
  PDF 39-1411

Behoite Image

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  Behoite   Analcime

Comments: Gray-white microcline crystals up to 4 cm coated with overgrowth of analcime 18 mm diameter, black aegirine up to 25 mm and most notable, a pale pink behoite.
Location: Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mt Saint-Hilaire, Rouville Co., Qu├ębec, Canada. Scale: 5x4x3 cm.
© John Betts - Fine Minerals

Behoite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.6581:1:0.6453
Help on Cell Dimensions: Cell Dimensions: a = 4.64, b = 7.05, c = 4.55, Z = 4; V = 148.84 Den(Calc)= 1.92
Help on Crystal System: Crystal System: Orthorhombic - Disphenoidal H-M Symbol (2 2 2) Space Group: P 212121
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.38(1), 3.93(0.9), 3.8(0.8),

Physical Properties of Behoite

Help on Cleavage: Cleavage: None
Help on Color: Color: Colorless, White, Pale brown.
Help on Density: Density: 1.91 - 1.93, Average = 1.92
Help on Diaphaneity: Diaphaneity: Transparent
Help on Hardness: Hardness: 4 - Fluorite
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white

Optical Properties of Behoite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.001 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.001 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2821,KPDmeas= 0.2821,KC= 0.2819
Ncalc = 1.54
Help on Optical Data: Optical Data: Biaxial (-), a=1.533, b=1.544, g=1.548, bire=0.0150, 2V(Calc)=60, 2V(Meas)=82.

Calculated Properties of Behoite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=1.96 gm/cc
note: Specific Gravity of Behoite =1.92 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.2
Boson Index = 0.8
Help on Photoelectric: Photoelectric: PEBehoite = 0.33 barns/electron
U=PEBehoite x rElectron Density= 0.65 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Behoite is Not Radioactive

Behoite Classification

Help on  Dana Class: Dana Class: (06)Hydroxides and Oxides Containing Hydroxyl
  (06.02)where X++ (OH)2
  (06.02.02)Dana Group Behoite Be(OH)2 P 212121 2 2 2
Help on  Strunz Class: Strunz Class: 04.FA.05a 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.F - Hydroxides (without V or U)
  04.FA -Hydroxides with OH, without H2O; corner-sharing tetrahedra
04.FA.05a Behoite Be(OH)2 P 212121 2 2 2

Other Behoite Information

Help on References: References: NAME( AntBidBlaNic3) 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 Behoite :
1 - Alkali-Nuts(English)
2 - Alkali-Nuts(Francais)
3 - Am. Min. Crystal Structure Database
4 - Athena
5 - EUROmin Project
6 - Ecole des Mines de Paris
7 - GeoScienceWorld
8 - Google Images
9 - Google Scholar
10 - Handbook of Mineralogy (MinSocAm)
11 - Handbook of Mineralogy (UofA)
12 - MinDAT
13 - Mineralienatlas (Deutsch)
14 - Online Mineral Museum
15 - QUT Mineral Atlas
16 - Ruff.Info

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Dana No: Strunz No: 04.FA.05a





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