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Bruggenite Mineral Data

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General Bruggenite Information

Help on Chemical  Formula: Chemical Formula: Ca(IO3)2•(H2O)
Help on Composition: Composition: Molecular Weight = 407.90 gm
   Calcium    9.83 %  Ca   13.75 % CaO
   Hydrogen   0.49 %  H     4.42 % H2O
   Iodine    62.22 %  I    81.84 % I2O5
   Oxygen    27.46 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca(IO3)2•(H2O)
Help on Environment: Environment: Veins with nitratine and impregnating the enclosing decomposing rhyolite tuff in a small basin filled with nitrate caliche.
Help on IMA Status: IMA Status: Approved IMA 1971
Help on Locality: Locality: Pampa Pique III, about one km north of Oficina Lautaro, Taltal district, Antofagasta, Chile. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Juan Bruggen (1887-1953), University of Chile, who wrote the first textbook on the geology of Chile.
Help on Name Pronunciation: Name Pronunciation: Bruggenite + Pronunciation Say BRUGGENITE
Help on Synonym: Synonym: Brueggenite

Bruggenite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.8486:1:0.7491
Help on Cell Dimensions: Cell Dimensions: a = 8.509, b = 10.027, c = 7.512, Z = 4; beta = 95.27° V = 638.21 Den(Calc)= 4.24
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 21/c
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.05(1), 3.24(0.9), 4.24(0.8),

Physical Properties of Bruggenite

Help on Color: Color: Colorless, Bright yellow.
Help on Density: Density: 4.24
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Hardness: Hardness: 3.5 - Copper Penny
Help on Luster: Luster: Vitreous (Glassy)

Optical Properties of Bruggenite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.075 (Fair) - where the CI = (1-KPDmeas/KC)
CI calc= 0.075 (Fair) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1882,KPDmeas= 0.1882,KC= 0.2035
Ncalc = 1.86
Help on Optical Data: Optical Data: Biaxial (-), a=1.7755, b=1.7985, g=1.8205, bire=0.0450, 2V(Calc)=86, 2V(Meas)=86-96.

Calculated Properties of Bruggenite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.83 gm/cc
note: Specific Gravity of Bruggenite =4.24 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0002651778
Boson Index = 0.9997348222
Help on Photoelectric: Photoelectric: PEBruggenite = 233.63 barns/electron
U=PEBruggenite x rElectron Density= 893.68 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Bruggenite is Not Radioactive

Bruggenite Classification

Help on  Dana Class: Dana Class: (21)Iodates - Anhydrous and Hydrated
  (21.01)with miscellaneous formulae
  (21.01.02)Dana Group Bruggenite Ca(IO3)2•(H2O) P 21/c 2/m
Help on  Strunz Class: Strunz Class: 04.KC.10 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.K - Iodates
  04.KC -Iodates without additional anions, with H2O
04.KC.10 Bruggenite Ca(IO3)2•(H2O) P 21/c 2/m

Other Bruggenite 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 Bruggenite :
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

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Dana No: Strunz No: 04.KC.10





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