Behoite Mineral Data (original) (raw)
General Behoite Information
Be(OH)2
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
Be(OH)2
In granite pegmatite as a near-surface alteration product of gadolinite (Rode Ranch pegmatite, Texas, USA); in altered volcanic tuff (Honeycomb Hills, Utah, USA).
Approved IMA 1970
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.
Named for Beryllium, Be, and hydroxyl, OH, in its composition.
ICSD 25569
PDF 39-1411
Behoite Image
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., Québec, Canada.Scale: 5x4x3 cm. © John Betts - Fine Minerals |
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Behoite Crystallography
a:b:c =0.6581:1:0.6453
a = 4.64, b = 7.05, c = 4.55, Z = 4; V = 148.84 Den(Calc)= 1.92
Orthorhombic - DisphenoidalH-M Symbol (2 2 2) Space Group: P 212121
By Intensity(I/Io): 2.38(1), 3.93(0.9), 3.8(0.8),
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| | Seitz A , Rosler U , Schubert K , Zeitschrift fur Anorganische und Allgemeine Chemie , 261 (1950) p.94-105, Kristallstruktur von beta-Be(OH)2 | | ------------------------------------------------------------------------------------------------------------------------------------------------ |
Physical Properties of Behoite
None
Colorless, White, Pale brown.
1.91 - 1.93, Average = 1.92
Transparent
4 - Fluorite
Vitreous (Glassy)
white
Optical Properties of Behoite
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
Biaxial (-), a=1.533, b=1.544, g=1.548, bire=0.0150, 2V(Calc)=60, 2V(Meas)=82.
Calculated Properties of Behoite
Bulk Density (Electron Density)=1.96 gm/cc
note: Specific Gravity of Behoite =1.92 gm/cc.
Fermion Index = 0.2
Boson Index = 0.8
PEBehoite = 0.33 barns/electron
U=PEBehoite x rElectron Density= 0.65 barns/cc.
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Behoite is Not Radioactive
Behoite Classification
06.02.02.01 (06)Hydroxides and Oxides Containing Hydroxyl
(06.02)where X++ (OH)2
(06.02.02)Dana Group
06.02.02.01 Behoite Be(OH)2 P 212121 2 2 2
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
NAME( AntBidBlaNic3) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
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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Behoite
Be(OH)2
Dana No: 06.02.02.01 Strunz No: 04.FA.05a
Locality:
Notes: