Veatchite-p Mineral Data + Say VEATCHITE-P

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General Veatchite-p Information

Help on Chemical  Formula: Chemical Formula: Sr2B11O16(OH)5·(H2O)
Help on Composition: Composition: Molecular Weight = 653.19 gm
   Strontium  26.83 %  Sr   31.73 % SrO
   Boron      18.20 %  B    58.62 % B2O3
   Hydrogen    1.08 %  H     9.65 % H2O
   Oxygen     53.89 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Sr2B11O16(OH)5·(H2O)
Help on IMA Status: IMA Status: Approved IMA 1960 (Dana # Added)
Help on Locality: Locality: Sterling Borax mine, Tick Canyon, 3. miles NNE of Lang, Los Angeles Co., California. Link to MinDat.org Location Data.
Help on Synonym: Synonym: P Veatchite
 

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Veatchite-p Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.3246:1:0.3178
Help on Cell Dimensions: Cell Dimensions: a = 6.72, b = 20.7, c = 6.58, Z = 2; beta = 119.67° V = 795.30 Den(Calc)= 2.73
Help on Crystal System: Crystal System: Monoclinic - SphenoidalH-M Symbol (2) Space Group: P 21
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 10.4(1), 3.31(0.6), 2.592(0.3),
 

Physical Properties of Veatchite-p

Help on Color: Color: Colorless, White.
Help on Density: Density: 2.6 - 2.65, Average = 2.62
Help on Diaphaniety: Diaphaniety: Transparent
Help on Hardness: Hardness: 2 - Gypsum
Help on Luster: Luster: Vitreous - Pearly
 

Optical Properties of Veatchite-p

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.068 (Fair) - where the CI = (1-KPDmeas/KC)
CI calc= -0.027 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2104,KPDmeas= 0.2188,KC= 0.2049
Help on Optical Data: Optical Data: Biaxial (+), a=1.55, b=1.553, g=1.62, bire=0.0700, 2V(Calc)=26, 2V(Meas)=25.
 

Calculated Properties of Veatchite-p

Help on Electron Density: Electron Density:

relectron=2.62 gm/cc
note: rVeatchite-p =2.73 gm/cc.

Help on Fermion Index Fermion Index Fermion Index = 0.05526
Boson Index = 0.94474
Help on Photoelectric: Photoelectric:

PEVeatchite-p = 29.71 barns/electron
U=PEVeatchite-p x relectron= 77.98 barns/cc.

Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Veatchite-p is Not Radioactive

 

Veatchite-p Classification

Help on  Dana Class: Dana Class: 26.5.10.1a (26)Hydrated Borates Containing Hydroxyl or Halogen
  (26.5)Dana Type
  (26.5.10)Dana Group
 
26.5.10.1 Veatchite-A Sr2B11O16(OH)5·(H2O) A1,A1 Tri
 
26.5.10.1a Veatchite-p ! Sr2B11O16(OH)5·(H2O) P 21 2
Help on  Strunz Class: Strunz Class: V/K.05-40 V - Nitrates, Carbonates and Borates
  V/K - Layered borates with complex groups [Bx(O,OH)y]
  V/K.05 - Volkovskite - Veatchite-A series
 
V/K.05-10 Volkovskite KCa4[B5O8(OH)4][B(OH)3]Cl·4(H2O) P1 1
 
V/K.05-20 Gowerite CaB6O10·5(H2O) P 21/n,P 21/a 2/m
 
V/K.05-30 Veatchite Sr2B11O16(OH)5·(H2O) Aa m
 
V/K.05-40 Veatchite-p Sr2B11O16(OH)5·(H2O) P 21 2
 
V/K.05-50 Veatchite-A Sr2B11O16(OH)5·(H2O) A1,A1 Tri
 

Other Veatchite-p Information

Help on References: References: NAME( MinRec) 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 Veatchite-p :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 -Google Images 4 -Google Scholar 5 -MinDAT 6 -MinMax(Deutsch) 7 -MinMax(English) 8 -Mineralienatlas (Deutsch) 9 -QUT Mineral Atlas

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Print or Cut-and-Paste your Veatchite-p Specimen Label here :

Veatchite-p

Sr2B11O16(OH)5·(H2O)
Dana No: 26.5.10.1a Strunz No: V/K.05-40
Locality:

 

Notes:

 

 
   
 
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