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Ruitenbergite Mineral Data

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General Ruitenbergite Information

Help on Chemical  Formula: Chemical Formula: Ca9B26O34(OH)24Cl4•13(H2O)
Help on Composition: Composition: Molecular Weight = 1,969.93 gm
   Calcium   18.31 %  Ca   25.62 % CaO
   Boron     14.27 %  B    45.94 % B2O3
   Hydrogen   2.56 %  H    22.86 % H2O
   Chlorine   7.20 %  Cl    7.20 % Cl
               -   %   Cl   -1.62 % -O=Cl2   
   Oxygen    57.66 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca9B26O34(OH)24Cl4•13(H2O)
Help on Environment: Environment: Found in an evaporite deposit. Dimorphous with pringleite.
Help on IMA Status: IMA Status: Approved IMA 1993
Help on Locality: Locality: Potash Corporation of America mine, Penobsquis evaporite deposit, near Sussex, New Brunswick, Canada. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Arie A. Ruitenberg (1929- ), geologist, Geological Surveys Branch, New Brunswick Department of Natural Resources, Sussex, Canada
Help on Name Pronunciation: Name Pronunciation: Ruitenbergite + Pronunciation Say RUITENBERGITE
Help on Synonym: Synonym: ICSD 76889
  IMA1992-011
  PDF 46-1429
 

Ruitenbergite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =2.0463:1:1.8065
Help on Cell Dimensions: Cell Dimensions: a = 19.88, b = 9.715, c = 17.551, Z = 2; beta = 114.85° V = 3,075.85 Den(Calc)= 2.13
Help on Crystal System: Crystal System: Monoclinic - Sphenoidal H-M Symbol (2) Space Group: P 21
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 8.56(1), 6.62(0.7), 9.03(0.6),
 

Physical Properties of Ruitenbergite

Help on Cleavage: Cleavage: {???} Good
Help on Color: Color: Colorless, Light yellow.
Help on Density: Density: 2.21
Help on Diaphaneity: Diaphaneity: Transparent
Help on Hardness: Hardness: 3-4 - Calcite-Fluorite
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Ruitenbergite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.015 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.022 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2585,KPDmeas= 0.2492,KC= 0.2531
Ncalc = 1.54 - 1.56
Help on Optical Data: Optical Data: Biaxial (+), a=1.542, b=1.545, g=1.565, bire=0.0230, 2V(Calc)=44, 2V(Meas)=42.5-47.
 

Calculated Properties of Ruitenbergite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.23 gm/cc
note: Specific Gravity of Ruitenbergite =2.21 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.02
Boson Index = 0.98
Help on Photoelectric: Photoelectric: PERuitenbergite = 2.90 barns/electron
U=PERuitenbergite x rElectron Density= 6.49 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Ruitenbergite is Not Radioactive
 

Ruitenbergite Classification

Help on  Dana Class: Dana Class: 26.05.17.02 (26)Hydrated Borates Containing Hydroxyl or Halogen
  (26.05)Dana Type
  (26.05.17)Pringleite Group
 
26.05.17.01 Pringleite Ca9B26O34(OH)24Cl4•13(H2O) P1 1
 
26.05.17.02 Ruitenbergite Ca9B26O34(OH)24Cl4•13(H2O) P 21 2
 
26.05.17.03 Brianroulstonite! Ca3[B5O6(OH)6](OH)Cl2•8(H2O) Pa m
 
26.05.17.04 Penobsquisite! Ca2Fe[B9O13(OH)6]Cl•4(H2O) P 21 2
 
26.05.17.05 Walkerite! Ca16(Mg,Li,[])2[B13O17(OH)12]4Cl6•28(H2O) Pba2 mm2
Help on  Strunz Class: Strunz Class: 06.GD.05 06 - BORATES
  06.G - Heptaborates and other Megaborates
  06.GD -Mega-tektoborates
 
06.GD.05 Ruitenbergite Ca9B26O34(OH)24Cl4•13(H2O) P 21 2
 
06.GD.05 Pringleite Ca9B26O34(OH)24Cl4•13(H2O) P1 1
 

Other Ruitenbergite Information

Help on References: References: NAME( AntBidBlaNic5) PHYS. PROP.(Am.Min.,Vol.79,p1012,1994) OPTIC PROP.(Am.Min.,Vol.79,p1012,1994)
Help on See Also: See Also: Links to other databases for Ruitenbergite :
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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Ruitenbergite

Ca9B26O34(OH)24Cl4•13(H2O)
Dana No: 26.05.17.02 Strunz No: 06.GD.05
Locality:

 

Notes:

 

 
   
 


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